The Scientist Who Scans Fathers' Brains: The Parenting Checklist You NEED Before You Have Babies!

you've discovered something about the you've discovered something about the brain I think is quite surprising. brain I think is quite surprising. brain I think is quite surprising. >> So we found that in fathers the brain is >> So we found that in fathers the brain is >> So we found that in fathers the brain is actually shrinking and I'll explain why actually shrinking and I'll explain why actually shrinking and I'll explain why but also there are studies that find but also there are studies that find but also there are studies that find that both men and women who report that both men and women who report that both men and women who report having had more kids have markers of a having had more kids have markers of a having had more kids have markers of a younger looking brain age and then also younger looking brain age and then also younger looking brain age and then also typically men when they do this show typically men when they do this show typically men when they do this show [music] about a 25% drop in [music] about a 25% drop in [music] about a 25% drop in testosterone. testosterone. testosterone. The next studies of single women have The next studies of single women have The next studies of single women have found that, you know, if you show them a found that, you know, if you show them a found that, you know, if you show them a series of body types, the dad bot is the series of body types, the dad bot is the series of body types, the dad bot is the most popular most popular most popular >> and that's proven by science. So, if I >> and that's proven by science. So, if I >> and that's proven by science. So, if I go out and get a dad bot, you're telling go out and get a dad bot, you're telling go out and get a dad bot, you're telling me the science that says I'm going to be me the science that says I'm going to be me the science that says I'm going to be more attractive. more attractive. more attractive. >> Yeah, go for it. >> Yeah, go for it. >> Yeah, go for it. >> See what my fiance says. The other thing >> See what my fiance says. The other thing >> See what my fiance says. The other thing that's worth talking about is [music] that's worth talking about is [music] that's worth talking about is [music] Have you done any studies on that? Have you done any studies on that? Have you done any studies on that? >> Yes. That is one of the most robust >> Yes. That is one of the most robust >> Yes. That is one of the most robust findings [music] in parenthood research findings [music] in parenthood research findings [music] in parenthood research and my lab found actually that and my lab found actually that and my lab found actually that >> Wow. So, I've always been really >> Wow. So, I've always been really >> Wow. So, I've always been really interested in [music] families and interested in [music] families and interested in [music] families and becoming a parent is one of the biggest becoming a parent is one of the biggest becoming a parent is one of the biggest transformations that you can experience, transformations that you can experience, transformations that you can experience, but I'm concerned about the declining but I'm concerned about the declining but I'm concerned about the declining birth rate. And I think that we've birth rate. And I think that we've birth rate. And I think that we've managed to market it as an undesirable managed to market it as an undesirable managed to market it as an undesirable choice.

choice. choice. >> According to the CDC and Pew Research >> According to the CDC and Pew Research >> According to the CDC and Pew Research data, [music] the US total fertility data, [music] the US total fertility data, [music] the US total fertility rate just hit an all-time recorded low. rate just hit an all-time recorded low. rate just hit an all-time recorded low. >> Yeah. I mean, the transition to >> Yeah. I mean, the transition to >> Yeah. I mean, the transition to parenthood can be really challenging. parenthood can be really challenging. parenthood can be really challenging. You are sacrificing yourself. It [music] You are sacrificing yourself. It [music] You are sacrificing yourself. It [music] can be very isolating. You're losing can be very isolating. You're losing can be very isolating. You're losing your sleep. But becoming a parent, you your sleep. But becoming a parent, you your sleep. But becoming a parent, you are benefiting from this sense of are benefiting from this sense of are benefiting from this sense of connection [music] and purpose. You will connection [music] and purpose. You will connection [music] and purpose. You will rediscover your priorities in a way that rediscover your priorities in a way that rediscover your priorities in a way that will ultimately bring a lot of value. will ultimately bring a lot of value. will ultimately bring a lot of value. >> So if all goes well, next year I will >> So if all goes well, next year I will >> So if all goes well, next year I will [music] be a dad and I would like you to [music] be a dad and I would like you to [music] be a dad and I would like you to give me some advice on becoming a father give me some advice on becoming a father give me some advice on becoming a father based on all the research that you have. based on all the research that you have. based on all the research that you have. >> So great fathers are made not born. >> So great fathers are made not born. >> So great fathers are made not born. There's a lot you can do. [music] There's a lot you can do. [music] There's a lot you can do. [music] >> I'm going to write it down. >> I'm going to write it down. >> I'm going to write it down. >> Love it. So first, >> this is super interesting to me. My team >> this is super interesting to me. My team given me this report to show me how many given me this report to show me how many given me this report to show me how many of you that watch this show subscribe of you that watch this show subscribe of you that watch this show subscribe and some of you have told us according and some of you have told us according and some of you have told us according to this that you are unsubscribed from to this that you are unsubscribed from to this that you are unsubscribed from the channel randomly. So favor to ask the channel randomly. So favor to ask the channel randomly. So favor to ask all of you please could you check right all of you please could you check right all of you please could you check right now if you've hit the subscribe button now if you've hit the subscribe button now if you've hit the subscribe button if you are a regular view of the show if you are a regular view of the show if you are a regular view of the show and you like what we do here. We're and you like what we do here. We're and you like what we do here. We're approaching quite a significant landmark approaching quite a significant landmark approaching quite a significant landmark on this show in terms of a subscriber on this show in terms of a subscriber on this show in terms of a subscriber number. So, if there was one simple free number. So, if there was one simple free number. So, if there was one simple free thing that you could do to help us, my thing that you could do to help us, my thing that you could do to help us, my team, everyone here, to keep this show team, everyone here, to keep this show team, everyone here, to keep this show free, to keep it improving year over free, to keep it improving year over free, to keep it improving year over year and week over week, it is just to year and week over week, it is just to year and week over week, it is just to hit that subscribe button and to double hit that subscribe button and to double hit that subscribe button and to double check if you've hit it. Only thing I'll check if you've hit it. Only thing I'll check if you've hit it. Only thing I'll ever ask of you, do we have a deal? If ever ask of you, do we have a deal? If ever ask of you, do we have a deal? If you do it, I'll tell you what I'll do.

you do it, I'll tell you what I'll do. you do it, I'll tell you what I'll do. I'll make sure every single week, every I'll make sure every single week, every I'll make sure every single week, every single month, we fight harder and harder single month, we fight harder and harder single month, we fight harder and harder and harder and harder to bring you the and harder and harder to bring you the and harder and harder to bring you the guests and conversations that you want guests and conversations that you want guests and conversations that you want to hear. I've stayed true to that to hear. I've stayed true to that to hear. I've stayed true to that promise since the very beginning of the promise since the very beginning of the promise since the very beginning of the D of Sio, and I will not let you down. D of Sio, and I will not let you down. D of Sio, and I will not let you down. Please help us. Really appreciate it. Please help us. Really appreciate it. Please help us. Really appreciate it. Let's get on with the show. [music] Dr. Darby Saxby, you've discovered Dr. Darby Saxby, you've discovered something about the brain that I think something about the brain that I think something about the brain that I think is quite surprising to a lot of men and is quite surprising to a lot of men and is quite surprising to a lot of men and women as it relates to what happens to a women as it relates to what happens to a women as it relates to what happens to a man's brain when they become a father. man's brain when they become a father. man's brain when they become a father. Um, and I've got the report here in Um, and I've got the report here in Um, and I've got the report here in front of me, but I have a model brain front of me, but I have a model brain front of me, but I have a model brain over there. Could you explain to me what over there. Could you explain to me what over there. Could you explain to me what exactly it is that you discovered? exactly it is that you discovered? exactly it is that you discovered? >> Yes. So we found that in fathers and >> Yes. So we found that in fathers and >> Yes. So we found that in fathers and this is similar to what's been observed this is similar to what's been observed this is similar to what's been observed in mothers, the brain is actually losing in mothers, the brain is actually losing in mothers, the brain is actually losing gray matter volume. So it is shrinking. gray matter volume. So it is shrinking. gray matter volume. So it is shrinking. So if I had stronger hands, I could So if I had stronger hands, I could So if I had stronger hands, I could probably squish this brain and make it probably squish this brain and make it probably squish this brain and make it look tinier. look tinier. look tinier. >> But the parts of the brain that are >> But the parts of the brain that are >> But the parts of the brain that are shrinking the most are in what we call shrinking the most are in what we call shrinking the most are in what we call the mentalizing network. And that's a the mentalizing network. And that's a the mentalizing network. And that's a part of the brain that helps us part of the brain that helps us part of the brain that helps us understand other people's feelings and understand other people's feelings and understand other people's feelings and intentions. Those areas are kind of intentions. Those areas are kind of intentions. Those areas are kind of concentrated around the midline of the concentrated around the midline of the concentrated around the midline of the cortex, which is kind of what we're cortex, which is kind of what we're cortex, which is kind of what we're seeing here. And then you also see seeing here. And then you also see seeing here. And then you also see volume reduction in the visual areas, volume reduction in the visual areas, volume reduction in the visual areas, which is the back of the brain, which is which is the back of the brain, which is which is the back of the brain, which is really important for understanding when really important for understanding when really important for understanding when you look at an infant's face, what kinds you look at an infant's face, what kinds you look at an infant's face, what kinds of emotions it's trying to tell you. And of emotions it's trying to tell you. And of emotions it's trying to tell you. And so we see changes to those parts of the so we see changes to those parts of the so we see changes to those parts of the brain and new dads. In moms, we see brain and new dads. In moms, we see brain and new dads. In moms, we see changes to these same parts of the changes to these same parts of the changes to these same parts of the brain. We also see changes in moms to

brain. We also see changes in moms to brain. We also see changes in moms to what's called the subcortex, which is what's called the subcortex, which is what's called the subcortex, which is this part of the brain that kind of this part of the brain that kind of this part of the brain that kind of controls our gut feelings and our sense controls our gut feelings and our sense controls our gut feelings and our sense of reward and is really strongly linked of reward and is really strongly linked of reward and is really strongly linked with our hormones. So moms are kind of with our hormones. So moms are kind of with our hormones. So moms are kind of changing all across the brain. Dads are changing all across the brain. Dads are changing all across the brain. Dads are mostly changing in this top layer, the mostly changing in this top layer, the mostly changing in this top layer, the cortex, which kind of controls our cortex, which kind of controls our cortex, which kind of controls our higher order thinking, reasoning, and higher order thinking, reasoning, and higher order thinking, reasoning, and executive functioning. And that tells us executive functioning. And that tells us executive functioning. And that tells us something about fatherhood, which is something about fatherhood, which is something about fatherhood, which is that fathers choose to engage in that fathers choose to engage in that fathers choose to engage in parenting. It's a sort of cognitively parenting. It's a sort of cognitively parenting. It's a sort of cognitively mediated investment that dads are mediated investment that dads are mediated investment that dads are making. making. making. >> What does that mean? >> What does that mean? >> What does that mean? >> So, if you think about a mom who's been >> So, if you think about a mom who's been >> So, if you think about a mom who's been through 9 months of pregnancy, she is through 9 months of pregnancy, she is through 9 months of pregnancy, she is flooded with hormones when her baby is flooded with hormones when her baby is flooded with hormones when her baby is born and she has a really high born and she has a really high born and she has a really high investment in the baby's survival. Just investment in the baby's survival. Just investment in the baby's survival. Just thinking about the number of calories thinking about the number of calories thinking about the number of calories that it takes to sustain a pregnancy, that it takes to sustain a pregnancy, that it takes to sustain a pregnancy, it's thousands. And and so there's a it's thousands. And and so there's a it's thousands. And and so there's a very high floor from maternal very high floor from maternal very high floor from maternal investment. And moms are undergoing investment. And moms are undergoing investment. And moms are undergoing plasticity all across the brain that plasticity all across the brain that plasticity all across the brain that reflects that. In dads, there's a reflects that. In dads, there's a reflects that. In dads, there's a tremendous amount of cross-cultural tremendous amount of cross-cultural tremendous amount of cross-cultural variability. So there are cultures in variability. So there are cultures in variability. So there are cultures in which dads participate in child care and which dads participate in child care and which dads participate in child care and are very hands-on with babies from the are very hands-on with babies from the are very hands-on with babies from the moment of birth. There are cultures in moment of birth. There are cultures in moment of birth. There are cultures in which there are prohibitions against men which there are prohibitions against men which there are prohibitions against men picking babies up.

picking babies up. picking babies up. >> You don't pick babies up in the first >> You don't pick babies up in the first >> You don't pick babies up in the first year. In some cultures, year. In some cultures, year. In some cultures, >> you don't pick babies up because it's >> you don't pick babies up because it's >> you don't pick babies up because it's considered unmanly. Okay? considered unmanly. Okay? considered unmanly. Okay? >> So, there's a tremendous amount of >> So, there's a tremendous amount of >> So, there's a tremendous amount of variability and dads calibrate their variability and dads calibrate their variability and dads calibrate their investment according to what the culture investment according to what the culture investment according to what the culture says and what the context looks like. If says and what the context looks like. If says and what the context looks like. If mom becomes unavailable, dad is often mom becomes unavailable, dad is often mom becomes unavailable, dad is often needed to step in and provide more of needed to step in and provide more of needed to step in and provide more of the care. And so this sort of top layer the care. And so this sort of top layer the care. And so this sort of top layer of brain changes reflects that, you of brain changes reflects that, you of brain changes reflects that, you know, dads are modulating their know, dads are modulating their know, dads are modulating their investment depending on what they're investment depending on what they're investment depending on what they're learning from the environment. And the learning from the environment. And the learning from the environment. And the word that biologists use for this is word that biologists use for this is word that biologists use for this is facultative. So a facultative facultative. So a facultative facultative. So a facultative adaptation is an adaptation that is adaptation is an adaptation that is adaptation is an adaptation that is optional but extremely useful. You could optional but extremely useful. You could optional but extremely useful. You could think about an animal that walks on four think about an animal that walks on four think about an animal that walks on four legs suddenly having something really legs suddenly having something really legs suddenly having something really important to grab and switching to walk important to grab and switching to walk important to grab and switching to walk on two legs so that it can use its on two legs so that it can use its on two legs so that it can use its hands. Hands are really useful for that hands. Hands are really useful for that hands. Hands are really useful for that animal. Fathers are really useful for animal. Fathers are really useful for animal. Fathers are really useful for humanity.

humanity. humanity. >> But are you saying they're optional, >> But are you saying they're optional, >> But are you saying they're optional, >> but they vary depending on situation. >> but they vary depending on situation. >> but they vary depending on situation. And I don't want to say that fathers And I don't want to say that fathers And I don't want to say that fathers aren't important. They're incredibly aren't important. They're incredibly aren't important. They're incredibly important. There are dads who are important. There are dads who are important. There are dads who are primary caregivers and even sole primary caregivers and even sole primary caregivers and even sole caregivers of children. But dads vary caregivers of children. But dads vary caregivers of children. But dads vary and they vary depending on what is and they vary depending on what is and they vary depending on what is needed for children to thrive in their needed for children to thrive in their needed for children to thrive in their specific local context. specific local context. specific local context. >> And a woman's brain shrinks as well, but >> And a woman's brain shrinks as well, but >> And a woman's brain shrinks as well, but it shrinks a little bit more. it shrinks a little bit more. it shrinks a little bit more. >> Yes, it covers more of the brain >> Yes, it covers more of the brain >> Yes, it covers more of the brain >> and it also shows a larger across the >> and it also shows a larger across the >> and it also shows a larger across the board volume reduction. And I should board volume reduction. And I should board volume reduction. And I should explain volume reduction. We often think explain volume reduction. We often think explain volume reduction. We often think about deficit mommy brain. you're about deficit mommy brain. you're about deficit mommy brain. you're forgetting things. Volume reduction is forgetting things. Volume reduction is forgetting things. Volume reduction is not a bad thing. What it means is that not a bad thing. What it means is that not a bad thing. What it means is that the brain is actually working more the brain is actually working more the brain is actually working more efficiently because it's building better efficiently because it's building better efficiently because it's building better connected pathways and better channels connected pathways and better channels connected pathways and better channels for communicating information. for communicating information. for communicating information. >> Is it accurate to say that the brain is >> Is it accurate to say that the brain is >> Is it accurate to say that the brain is focusing? focusing? focusing? >> Yes, exactly. So, it's reshaping in a >> Yes, exactly. So, it's reshaping in a >> Yes, exactly. So, it's reshaping in a way that enables more efficient way that enables more efficient way that enables more efficient communication. It's learning. It's communication. It's learning. It's communication. It's learning. It's consolidating. So, it's kind of like if consolidating. So, it's kind of like if consolidating. So, it's kind of like if you think about the director's cut of a you think about the director's cut of a you think about the director's cut of a movie that has lots of interesting extra movie that has lots of interesting extra movie that has lots of interesting extra scenes and characters and then you watch scenes and characters and then you watch scenes and characters and then you watch it in the theater and it's like this it in the theater and it's like this it in the theater and it's like this lean mean 2hour cut, lean mean 2hour cut, lean mean 2hour cut, >> right? Like many of us prefer the >> right? Like many of us prefer the >> right? Like many of us prefer the theatrical release because it's easier theatrical release because it's easier theatrical release because it's easier to follow.

to follow. to follow. >> And by getting rid of certain parts of >> And by getting rid of certain parts of >> And by getting rid of certain parts of the brain, that means more energy can be the brain, that means more energy can be the brain, that means more energy can be used in the other parts of the brain. Is used in the other parts of the brain. Is used in the other parts of the brain. Is that broadly accurate? that broadly accurate? that broadly accurate? >> Exactly. So that we're better able to >> Exactly. So that we're better able to >> Exactly. So that we're better able to focus on what matters. And when we focus on what matters. And when we focus on what matters. And when we become parents, what matters is our become parents, what matters is our become parents, what matters is our children and the inputs they're giving children and the inputs they're giving children and the inputs they're giving us. us. us. >> The interesting thing is the way that >> The interesting thing is the way that >> The interesting thing is the way that you described the part of the brain that you described the part of the brain that you described the part of the brain that the man loses when they become a father the man loses when they become a father the man loses when they become a father made it seem like they're losing made it seem like they're losing made it seem like they're losing empathy. empathy. empathy. >> No, they're actually improving in their >> No, they're actually improving in their >> No, they're actually improving in their empathy because they're becoming more empathy because they're becoming more empathy because they're becoming more efficient processors of social efficient processors of social efficient processors of social information. So the fact that where we information. So the fact that where we information. So the fact that where we see the biggest changes are in these see the biggest changes are in these see the biggest changes are in these what we call mentalizing social what we call mentalizing social what we call mentalizing social cognition networks tells us that those cognition networks tells us that those cognition networks tells us that those networks are really important for dads networks are really important for dads networks are really important for dads to use when they become parents and to use when they become parents and to use when they become parents and they're getting a lot of practice they're getting a lot of practice they're getting a lot of practice putting those networks into into use. putting those networks into into use. putting those networks into into use. >> I thought you said that section of the >> I thought you said that section of the >> I thought you said that section of the brain shrunk. brain shrunk. brain shrunk. >> Yes. Because the brain is becoming more >> Yes. Because the brain is becoming more >> Yes. Because the brain is becoming more efficient. So, it's losing all the extra efficient. So, it's losing all the extra efficient. So, it's losing all the extra pathways and you're sort of building a pathways and you're sort of building a pathways and you're sort of building a super highway for that specific social super highway for that specific social super highway for that specific social information.

information. information. >> Sounds a bit counterintuitive because I >> Sounds a bit counterintuitive because I >> Sounds a bit counterintuitive because I imagined that my brain would grow when I imagined that my brain would grow when I imagined that my brain would grow when I get better at something. get better at something. get better at something. >> You would, but in this case, the brain >> You would, but in this case, the brain >> You would, but in this case, the brain is actually shrinking. And I know it it is actually shrinking. And I know it it is actually shrinking. And I know it it sort of feels like a puzzle to wrap your sort of feels like a puzzle to wrap your sort of feels like a puzzle to wrap your head around, but it actually does head around, but it actually does head around, but it actually does reflect that the brain is working reflect that the brain is working reflect that the brain is working better. And is there a relationship better. And is there a relationship better. And is there a relationship between how hands-on the father is and between how hands-on the father is and between how hands-on the father is and the amount of shrinkage that happens in the amount of shrinkage that happens in the amount of shrinkage that happens in their brain? their brain? their brain? >> Yeah. And my lab found that >> Yeah. And my lab found that >> Yeah. And my lab found that relationship. So when dads told us relationship. So when dads told us relationship. So when dads told us before birth that they felt more bonded before birth that they felt more bonded before birth that they felt more bonded to their unborn baby, when they wanted to their unborn baby, when they wanted to their unborn baby, when they wanted to take more time off after work, and to take more time off after work, and to take more time off after work, and when they told us 3 months after birth when they told us 3 months after birth when they told us 3 months after birth that they enjoyed their babies more, that they enjoyed their babies more, that they enjoyed their babies more, they felt more connected and bonded to they felt more connected and bonded to they felt more connected and bonded to them, and they were spending more time them, and they were spending more time them, and they were spending more time taking care of their babies, they had taking care of their babies, they had taking care of their babies, they had more profound brain shrinkage. All of more profound brain shrinkage. All of more profound brain shrinkage. All of this seems to support the contention this seems to support the contention this seems to support the contention that the shrinkage is really adaptive that the shrinkage is really adaptive that the shrinkage is really adaptive and it's enabling men's adjustment to and it's enabling men's adjustment to and it's enabling men's adjustment to parenthood. parenthood. parenthood. >> Is there any other biological changes >> Is there any other biological changes >> Is there any other biological changes that take place when someone becomes a that take place when someone becomes a that take place when someone becomes a father? father? father? >> So, we also see changes to men's >> So, we also see changes to men's >> So, we also see changes to men's hormones.

hormones. hormones. >> I talk about this in the book. Men >> I talk about this in the book. Men >> I talk about this in the book. Men typically show a drop in testosterone typically show a drop in testosterone typically show a drop in testosterone >> and I've got a big thing here. >> and I've got a big thing here. >> and I've got a big thing here. >> Yeah, let's talk about testosterone. So >> Yeah, let's talk about testosterone. So >> Yeah, let's talk about testosterone. So typically men when their hands on as typically men when their hands on as typically men when their hands on as fathers show about a 25% drop in fathers show about a 25% drop in fathers show about a 25% drop in testosterone and some of the best testosterone and some of the best testosterone and some of the best studies of this have been done studies of this have been done studies of this have been done longitudinally in the Philippines. longitudinally in the Philippines. longitudinally in the Philippines. Before we had longitudinal studies Before we had longitudinal studies Before we had longitudinal studies people said well maybe lower people said well maybe lower people said well maybe lower testosterone men are just choosing to testosterone men are just choosing to testosterone men are just choosing to become fathers. And so looking across become fathers. And so looking across become fathers. And so looking across time lets us tease that out and see is time lets us tease that out and see is time lets us tease that out and see is there something about fatherhood that's there something about fatherhood that's there something about fatherhood that's actually changing testosterone. And so actually changing testosterone. And so actually changing testosterone. And so when you look across decades, you find when you look across decades, you find when you look across decades, you find that testosterone is typically pretty that testosterone is typically pretty that testosterone is typically pretty high before pregnancy happens. And it's high before pregnancy happens. And it's high before pregnancy happens. And it's adapted to have high testosterone. You adapted to have high testosterone. You adapted to have high testosterone. You know, testosterone's been studied a lot know, testosterone's been studied a lot know, testosterone's been studied a lot in birds. It's also been studied in in birds. It's also been studied in in birds. It's also been studied in rodents and in other mammals. You want rodents and in other mammals. You want rodents and in other mammals. You want high testosterone at the start of high testosterone at the start of high testosterone at the start of breeding season when it's time to breeding season when it's time to breeding season when it's time to maximize your chances of producing maximize your chances of producing maximize your chances of producing offspring. You want to compete. You want offspring. You want to compete. You want offspring. You want to compete. You want to build status. You want to fight off to build status. You want to fight off to build status. You want to fight off your rivals, high testosterone is your your rivals, high testosterone is your your rivals, high testosterone is your friend. Once you've accomplished your friend. Once you've accomplished your friend. Once you've accomplished your reproductive goal and you've caused a reproductive goal and you've caused a reproductive goal and you've caused a pregnancy and you want your offspring to pregnancy and you want your offspring to pregnancy and you want your offspring to survive, you want to be investing and survive, you want to be investing and survive, you want to be investing and nurturing that new baby. And this is nurturing that new baby. And this is nurturing that new baby. And this is what we saw in the men in the what we saw in the men in the what we saw in the men in the Philippines that as they were spending Philippines that as they were spending Philippines that as they were spending more time taking care of kids, they more time taking care of kids, they more time taking care of kids, they showed a sharper drop. And and then you showed a sharper drop. And and then you showed a sharper drop. And and then you typically see some rebound when the baby

typically see some rebound when the baby typically see some rebound when the baby is getting older. And again, this is not is getting older. And again, this is not is getting older. And again, this is not unique to humans. We see it all over the unique to humans. We see it all over the unique to humans. We see it all over the animal kingdom. animal kingdom. animal kingdom. >> So during a pregnancy, something some >> So during a pregnancy, something some >> So during a pregnancy, something some chemical tells my body chemical tells my body chemical tells my body >> Yeah. >> Yeah. >> Yeah. >> that I need to make less testosterone >> that I need to make less testosterone >> that I need to make less testosterone even though the baby's not here yet. even though the baby's not here yet. even though the baby's not here yet. >> Yeah. It might just be your proximity to >> Yeah. It might just be your proximity to >> Yeah. It might just be your proximity to your pregnant partner. your pregnant partner. your pregnant partner. >> Interesting. >> Interesting. >> Interesting. >> Yeah. Our lab found expectant dads and >> Yeah. Our lab found expectant dads and >> Yeah. Our lab found expectant dads and expectant moms had correlated levels of expectant moms had correlated levels of expectant moms had correlated levels of testosterone during pregnancy. And the testosterone during pregnancy. And the testosterone during pregnancy. And the more strong that relationship was, the more strong that relationship was, the more strong that relationship was, the more dad showed a drop in testosterone more dad showed a drop in testosterone more dad showed a drop in testosterone after birth. But I want to caveat cuz I after birth. But I want to caveat cuz I after birth. But I want to caveat cuz I think a lot of men are really concerned think a lot of men are really concerned think a lot of men are really concerned about the idea that testosterone might about the idea that testosterone might about the idea that testosterone might drop. And I think we have a really drop. And I think we have a really drop. And I think we have a really strong narrative right now that strong narrative right now that strong narrative right now that testosterone sort of like equals testosterone sort of like equals testosterone sort of like equals successful masculinity. successful masculinity. successful masculinity. >> And masculinity is not about a >> And masculinity is not about a >> And masculinity is not about a particular hormone. It is about a body particular hormone. It is about a body particular hormone. It is about a body that is responsive to our goals and that that is responsive to our goals and that that is responsive to our goals and that sets us up to meet the demands of our sets us up to meet the demands of our sets us up to meet the demands of our environment. And so having a biology environment. And so having a biology environment. And so having a biology that fluctuates across the lifespan as that fluctuates across the lifespan as that fluctuates across the lifespan as our reproductive strategy shifts is our reproductive strategy shifts is our reproductive strategy shifts is really adaptive. We want to be flexible really adaptive. We want to be flexible really adaptive. We want to be flexible and that doesn't always mean maxed out and that doesn't always mean maxed out and that doesn't always mean maxed out testosterone. So high levels of testosterone. So high levels of testosterone. So high levels of testosterone actually decrease our sperm testosterone actually decrease our sperm testosterone actually decrease our sperm count and they are bad for our immune count and they are bad for our immune count and they are bad for our immune system.

system. system. >> I think some men might be concerned that >> I think some men might be concerned that >> I think some men might be concerned that dropping testosterone might make them dropping testosterone might make them dropping testosterone might make them worse in the gym or it might make them worse in the gym or it might make them worse in the gym or it might make them less ambitious or less able to pursue less ambitious or less able to pursue less ambitious or less able to pursue their goals in life. Is there any truth their goals in life. Is there any truth their goals in life. Is there any truth to that? There's definitely a link to that? There's definitely a link to that? There's definitely a link between testosterone and men's, between testosterone and men's, between testosterone and men's, you know, muscle mass and their you know, muscle mass and their you know, muscle mass and their motivation, their drives, but these are motivation, their drives, but these are motivation, their drives, but these are not onetoone relationships. So the human not onetoone relationships. So the human not onetoone relationships. So the human hormone literature is messy and a lot of hormone literature is messy and a lot of hormone literature is messy and a lot of these are weak correlations. So these are weak correlations. So these are weak correlations. So testosterone doesn't necessarily equal testosterone doesn't necessarily equal testosterone doesn't necessarily equal success at work, for example. And high success at work, for example. And high success at work, for example. And high testosterone can get in men's way in in testosterone can get in men's way in in testosterone can get in men's way in in multiple ways. So there are links multiple ways. So there are links multiple ways. So there are links between men's testosterone levels and um between men's testosterone levels and um between men's testosterone levels and um relationship satisfaction in the couple relationship satisfaction in the couple relationship satisfaction in the couple relationship. So my lab did a study relationship. So my lab did a study relationship. So my lab did a study where we found that men who had where we found that men who had where we found that men who had relatively higher testosterone after relatively higher testosterone after relatively higher testosterone after their baby's birth had uh partners who their baby's birth had uh partners who their baby's birth had uh partners who were more dissatisfied in the were more dissatisfied in the were more dissatisfied in the relationship and reported more intimate relationship and reported more intimate relationship and reported more intimate partner aggression. So the dads partner aggression. So the dads partner aggression. So the dads themselves reported more parenting themselves reported more parenting themselves reported more parenting stress. So there's a little bit of a stress. So there's a little bit of a stress. So there's a little bit of a mixed bag of high testosterone and what mixed bag of high testosterone and what mixed bag of high testosterone and what it looks like. you want is to hit a it looks like. you want is to hit a it looks like. you want is to hit a sweet spot. You don't want testosterone sweet spot. You don't want testosterone sweet spot. You don't want testosterone levels that totally crash. My lab has levels that totally crash. My lab has levels that totally crash. My lab has also found that when testosterone is also found that when testosterone is also found that when testosterone is really low after a birth, men have really low after a birth, men have really low after a birth, men have higher postpartum depression symptoms.

higher postpartum depression symptoms. higher postpartum depression symptoms. You don't necessarily want testosterone You don't necessarily want testosterone You don't necessarily want testosterone levels that are skyhigh either because levels that are skyhigh either because levels that are skyhigh either because that can cause problems in your intimate that can cause problems in your intimate that can cause problems in your intimate relationship and it can make it hard for relationship and it can make it hard for relationship and it can make it hard for you to switch into nurturing and you to switch into nurturing and you to switch into nurturing and parenting mode. So, the men who seem parenting mode. So, the men who seem parenting mode. So, the men who seem most successful in our study were men most successful in our study were men most successful in our study were men who had mid-range testosterone levels. who had mid-range testosterone levels. who had mid-range testosterone levels. that could be flexible and that could that could be flexible and that could that could be flexible and that could adapt to different life changes. adapt to different life changes. adapt to different life changes. >> And am I right in thinking that the more >> And am I right in thinking that the more >> And am I right in thinking that the more time you spend hands-on as a father in time you spend hands-on as a father in time you spend hands-on as a father in those studies that they did on men, the those studies that they did on men, the those studies that they did on men, the lower your testosterone will go? lower your testosterone will go? lower your testosterone will go? >> Yeah. So the longitudinal work in the >> Yeah. So the longitudinal work in the >> Yeah. So the longitudinal work in the Philippines found that when men spent Philippines found that when men spent Philippines found that when men spent more time changing babies, doing more time changing babies, doing more time changing babies, doing hands-on care, sharing a sleeping hands-on care, sharing a sleeping hands-on care, sharing a sleeping surface with babies, they had more of a surface with babies, they had more of a surface with babies, they had more of a testosterone drop. So the testosterone, testosterone drop. So the testosterone, testosterone drop. So the testosterone, the hormones are responsive to the the hormones are responsive to the the hormones are responsive to the context and to what we're doing. But context and to what we're doing. But context and to what we're doing. But testosterone does rebound, you know, testosterone does rebound, you know, testosterone does rebound, you know, after birth. So, it's not necessarily after birth. So, it's not necessarily after birth. So, it's not necessarily the case that testosterone is going to the case that testosterone is going to the case that testosterone is going to bottom out and it's going to stay low bottom out and it's going to stay low bottom out and it's going to stay low forever.

forever. forever. >> You know, you said a second ago that men >> You know, you said a second ago that men >> You know, you said a second ago that men that had crashes to their testosterone that had crashes to their testosterone that had crashes to their testosterone during the pregnancy and thereafter um during the pregnancy and thereafter um during the pregnancy and thereafter um had a high likelihood of experiencing had a high likelihood of experiencing had a high likelihood of experiencing postpartum depression themselves. postpartum depression themselves. postpartum depression themselves. >> Does that are you implying that that >> Does that are you implying that that >> Does that are you implying that that means that there's an ideal amount of means that there's an ideal amount of means that there's an ideal amount of time and hands-onness that a father can time and hands-onness that a father can time and hands-onness that a father can spend with their child to make sure spend with their child to make sure spend with their child to make sure their testosterone hits that mid-range their testosterone hits that mid-range their testosterone hits that mid-range point? point? point? >> Yeah, it's it's a really good question. >> Yeah, it's it's a really good question. >> Yeah, it's it's a really good question. I mean, I don't know that we know for I mean, I don't know that we know for I mean, I don't know that we know for sure if there's like a dose of parenting sure if there's like a dose of parenting sure if there's like a dose of parenting involvement that sort of lends itself to involvement that sort of lends itself to involvement that sort of lends itself to an ideal amount of testosterone. It's an ideal amount of testosterone. It's an ideal amount of testosterone. It's hard to optimize your way out of these hard to optimize your way out of these hard to optimize your way out of these natural changes. I I don't want to natural changes. I I don't want to natural changes. I I don't want to discourage dads from being hands-on with discourage dads from being hands-on with discourage dads from being hands-on with their kids because they're worried their kids because they're worried their kids because they're worried they're going to pay some kind of they're going to pay some kind of they're going to pay some kind of physiological tax. I think it's more physiological tax. I think it's more physiological tax. I think it's more like make sure you're protecting your like make sure you're protecting your like make sure you're protecting your sleep, which we know is linked with sleep, which we know is linked with sleep, which we know is linked with overall health. Make sure you're getting overall health. Make sure you're getting overall health. Make sure you're getting time to exercise and to socialize, you time to exercise and to socialize, you time to exercise and to socialize, you know, to participate in activities that know, to participate in activities that know, to participate in activities that bring you joy. Like, those are ways to bring you joy. Like, those are ways to bring you joy. Like, those are ways to help mitigate your risk that I think help mitigate your risk that I think help mitigate your risk that I think will be more successful than trying to will be more successful than trying to will be more successful than trying to hit a particular hormone level.

hit a particular hormone level. hit a particular hormone level. >> My brother is a year older than me and >> My brother is a year older than me and >> My brother is a year older than me and he has um three young kids under the age he has um three young kids under the age he has um three young kids under the age of seven of seven of seven >> now. Um they were actually just here. >> now. Um they were actually just here. >> now. Um they were actually just here. They just left. But um I noticed a They just left. But um I noticed a They just left. But um I noticed a remarkable difference in him when he remarkable difference in him when he remarkable difference in him when he when his wife Julia got pregnant. when his wife Julia got pregnant. when his wife Julia got pregnant. >> What did you notice? >> What did you notice? >> What did you notice? >> Just a a total shift in what he wanted >> Just a a total shift in what he wanted >> Just a a total shift in what he wanted out of life. out of life. out of life. >> Yeah. >> Yeah. >> Yeah. >> And so before growing up, I remember um >> And so before growing up, I remember um >> And so before growing up, I remember um one day seeing him on the computer one day seeing him on the computer one day seeing him on the computer figuring out which job would pay the figuring out which job would pay the figuring out which job would pay the most money. And he was very very smart. most money. And he was very very smart. most money. And he was very very smart. He he is very very smart. He he is very very smart. He he is very very smart. >> And he picked he sort of orientated his >> And he picked he sort of orientated his >> And he picked he sort of orientated his career towards the job that would make career towards the job that would make career towards the job that would make the most money. the most money. the most money. >> And then he was successful. He went to >> And then he was successful. He went to >> And then he was successful. He went to LSSE, got the job. Um, and then shortly LSSE, got the job. Um, and then shortly LSSE, got the job. Um, and then shortly after graduating university, met after graduating university, met after graduating university, met someone, they got pregnant unexpectedly. someone, they got pregnant unexpectedly. someone, they got pregnant unexpectedly. >> And I watched my brother go from someone >> And I watched my brother go from someone >> And I watched my brother go from someone who was like really striving for who was like really striving for who was like really striving for material goals. material goals. material goals. >> Yeah. >> Yeah. >> Yeah. >> To someone who suddenly placed the >> To someone who suddenly placed the >> To someone who suddenly placed the material goal immediately after. How do material goal immediately after. How do material goal immediately after. How do I retire and spend the maximum amount of I retire and spend the maximum amount of I retire and spend the maximum amount of my time with my kids? my time with my kids? my time with my kids? >> Yeah. >> Yeah. >> Yeah. >> His kids are number one above all >> His kids are number one above all >> His kids are number one above all anything else. And it's something I anything else. And it's something I anything else. And it's something I admire a lot about him. But the most admire a lot about him. But the most admire a lot about him. But the most remarkable thing as someone that's not remarkable thing as someone that's not remarkable thing as someone that's not gone through that transition cuz I've gone through that transition cuz I've gone through that transition cuz I've not had kids yet is just watching how not had kids yet is just watching how not had kids yet is just watching how profound the change was in him in terms profound the change was in him in terms profound the change was in him in terms of his stated goals and ambitions.

of his stated goals and ambitions. of his stated goals and ambitions. >> Yeah. >> Yeah. >> Yeah. >> Like what is this? >> Like what is this? >> Like what is this? >> I'm so glad you said that cuz that's >> I'm so glad you said that cuz that's >> I'm so glad you said that cuz that's something I heard from so many of the something I heard from so many of the something I heard from so many of the fathers that I interviewed for the book fathers that I interviewed for the book fathers that I interviewed for the book is that you experience this profound is that you experience this profound is that you experience this profound shift in your values and your shift in your values and your shift in your values and your priorities. And a lot of men, you know, priorities. And a lot of men, you know, priorities. And a lot of men, you know, if you survey parents, you say, "What if you survey parents, you say, "What if you survey parents, you say, "What are the most meaningful priorities in are the most meaningful priorities in are the most meaningful priorities in your life?" your life?" your life?" Men are just as likely as women to say Men are just as likely as women to say Men are just as likely as women to say my kids. my kids. my kids. >> And I think fathers increasingly are >> And I think fathers increasingly are >> And I think fathers increasingly are recognizing that the parenting role is recognizing that the parenting role is recognizing that the parenting role is really central to their self-concept. really central to their self-concept. really central to their self-concept. And you know, like we're in a culture And you know, like we're in a culture And you know, like we're in a culture where I think it can be hard for men to where I think it can be hard for men to where I think it can be hard for men to find a sense of meaning and purpose and find a sense of meaning and purpose and find a sense of meaning and purpose and connection to other people. Being a connection to other people. Being a connection to other people. Being a parent can can give you that sense of parent can can give you that sense of parent can can give you that sense of meaning and purpose. M and so, you know, meaning and purpose. M and so, you know, meaning and purpose. M and so, you know, I think that's a really important I think that's a really important I think that's a really important framing around, you know, your framing around, you know, your framing around, you know, your testosterone level might change or your testosterone level might change or your testosterone level might change or your brain might shrink, like things that brain might shrink, like things that brain might shrink, like things that maybe sound a little scary and negative, maybe sound a little scary and negative, maybe sound a little scary and negative, but they're in the service of this but they're in the service of this but they're in the service of this larger goal, which is building a more larger goal, which is building a more larger goal, which is building a more meaningful life. And I think, you know, meaningful life. And I think, you know, meaningful life. And I think, you know, like a message to men and also to women, like a message to men and also to women, like a message to men and also to women, to moms and to dads, is anything that's to moms and to dads, is anything that's to moms and to dads, is anything that's worth doing is hard. Being a parent is worth doing is hard. Being a parent is worth doing is hard. Being a parent is really hard. You know, you are really hard. You know, you are really hard. You know, you are sacrificing yourself. You're losing your sacrificing yourself. You're losing your sacrificing yourself. You're losing your sleep. You are getting extra wrinkles.

sleep. You are getting extra wrinkles. sleep. You are getting extra wrinkles. Ask me how I know. But you are Ask me how I know. But you are Ask me how I know. But you are benefiting from this sense of connection benefiting from this sense of connection benefiting from this sense of connection and purpose that you know it sounds like and purpose that you know it sounds like and purpose that you know it sounds like your brother has been totally your brother has been totally your brother has been totally transformed by. And I think we're in a transformed by. And I think we're in a transformed by. And I think we're in a lot of ways like selling young men on lot of ways like selling young men on lot of ways like selling young men on this message that you should be this message that you should be this message that you should be optimizing your bank account and your optimizing your bank account and your optimizing your bank account and your body fat percentage and you should be body fat percentage and you should be body fat percentage and you should be out there hustling as much as possible. out there hustling as much as possible. out there hustling as much as possible. And I think that can be a little bit of And I think that can be a little bit of And I think that can be a little bit of a hollow message because what we keep a hollow message because what we keep a hollow message because what we keep learning again and again from the learning again and again from the learning again and again from the longevity studies is that the quality of longevity studies is that the quality of longevity studies is that the quality of men's relationships is the best men's relationships is the best men's relationships is the best predictor of their well-being and old predictor of their well-being and old predictor of their well-being and old age. So men with healthy marriages, men age. So men with healthy marriages, men age. So men with healthy marriages, men who have positive relationships with who have positive relationships with who have positive relationships with their kids, those are the men who age their kids, those are the men who age their kids, those are the men who age well, not necessarily the men who've well, not necessarily the men who've well, not necessarily the men who've maxed out on, you know, riches or the maxed out on, you know, riches or the maxed out on, you know, riches or the perfect body fat score. It is is it's perfect body fat score. It is is it's perfect body fat score. It is is it's really a remarkable thing because when really a remarkable thing because when really a remarkable thing because when you as you look forward into becoming a you as you look forward into becoming a you as you look forward into becoming a parent, you often see the sacrifices parent, you often see the sacrifices parent, you often see the sacrifices you'll have to make. You hear about, you'll have to make. You hear about, you'll have to make. You hear about, okay, you're not going to sleep as much okay, you're not going to sleep as much okay, you're not going to sleep as much as you used to. You'll hear about um the as you used to. You'll hear about um the as you used to. You'll hear about um the anxieties of being a parent and loving anxieties of being a parent and loving anxieties of being a parent and loving something so much more than yourself and something so much more than yourself and something so much more than yourself and all these things. But that sort of all these things. But that sort of all these things. But that sort of profound psychological, biological, profound psychological, biological, profound psychological, biological, hormonal shift, hormonal shift, hormonal shift, >> you kind of just have to believe in it.

>> you kind of just have to believe in it. >> you kind of just have to believe in it. >> Yeah. Yeah, >> Yeah. Yeah, >> Yeah. Yeah, >> people like tell you about it as if it's >> people like tell you about it as if it's >> people like tell you about it as if it's like a almost like a like almost like a like a almost like a like almost like a like a almost like a like almost like a religion. I say that because you have to religion. I say that because you have to religion. I say that because you have to have faith that the profound upside will have faith that the profound upside will have faith that the profound upside will be um worth the very obvious cost that be um worth the very obvious cost that be um worth the very obvious cost that you see parents, you know, the you see parents, you know, the you see parents, you know, the sacrifices they have to make. sacrifices they have to make. sacrifices they have to make. >> Yeah, I think that's exactly right cuz I >> Yeah, I think that's exactly right cuz I >> Yeah, I think that's exactly right cuz I think a lot of the downsides are really think a lot of the downsides are really think a lot of the downsides are really visible. Yeah. visible. Yeah. visible. Yeah. >> Like we've all been on a plane with a >> Like we've all been on a plane with a >> Like we've all been on a plane with a crying kid and we've seen the frantic crying kid and we've seen the frantic crying kid and we've seen the frantic parent trying to calm them down. parent trying to calm them down. parent trying to calm them down. >> We've all seen a tantrum in the grocery >> We've all seen a tantrum in the grocery >> We've all seen a tantrum in the grocery store, right? Like that that stuff is store, right? Like that that stuff is store, right? Like that that stuff is right in your face. But the upsides are right in your face. But the upsides are right in your face. But the upsides are sort of invisible. You know, just like sort of invisible. You know, just like sort of invisible. You know, just like the joy of seeing your child's face as the joy of seeing your child's face as the joy of seeing your child's face as they discover something new they discover something new they discover something new >> or, you know, getting to snuggle late at >> or, you know, getting to snuggle late at >> or, you know, getting to snuggle late at night and feeling this sense of night and feeling this sense of night and feeling this sense of closeness that you've never had, right? closeness that you've never had, right? closeness that you've never had, right? That like love that's bigger than That like love that's bigger than That like love that's bigger than yourself. Mhm. yourself. Mhm. yourself. Mhm. >> And I think it's important to speak >> And I think it's important to speak >> And I think it's important to speak about the benefits as well as the about the benefits as well as the about the benefits as well as the downsides because we humans crave downsides because we humans crave downsides because we humans crave connection and you know we crave care connection and you know we crave care connection and you know we crave care and I think becoming a parent is an and I think becoming a parent is an and I think becoming a parent is an opportunity to provide care on a scale opportunity to provide care on a scale opportunity to provide care on a scale that's hard to find in other ways.

that's hard to find in other ways. that's hard to find in other ways. >> I also want to hear from you about how >> I also want to hear from you about how >> I also want to hear from you about how the mother's brain changes through the mother's brain changes through the mother's brain changes through pregnancy and beyond. Yeah. cuz Julia, pregnancy and beyond. Yeah. cuz Julia, pregnancy and beyond. Yeah. cuz Julia, so my brother's wife, she was here as so my brother's wife, she was here as so my brother's wife, she was here as well and she's remarkably different now well and she's remarkably different now well and she's remarkably different now that she's had these three beautiful that she's had these three beautiful that she's had these three beautiful children. children. children. >> And I was asking her last night cuz she >> And I was asking her last night cuz she >> And I was asking her last night cuz she was in the sort of corporate world was in the sort of corporate world was in the sort of corporate world before. I was saying, you know, on when before. I was saying, you know, on when before. I was saying, you know, on when they grow up and they leave home, which they grow up and they leave home, which they grow up and they leave home, which again is probably the worst thing you again is probably the worst thing you again is probably the worst thing you could probably say to a mother who has could probably say to a mother who has could probably say to a mother who has three young beautiful children and who's three young beautiful children and who's three young beautiful children and who's already like anxious that someday already like anxious that someday already like anxious that someday they're going to they're going to they're going to >> fly the nest. I was like, what what what >> fly the nest. I was like, what what what >> fly the nest. I was like, what what what will then be in the place of these three will then be in the place of these three will then be in the place of these three kids in your life? Would you want to go kids in your life? Would you want to go kids in your life? Would you want to go back to like the corporate world or do back to like the corporate world or do back to like the corporate world or do you want to do something else? and how you want to do something else? and how you want to do something else? and how has it reordered your sense of meaning? has it reordered your sense of meaning? has it reordered your sense of meaning? But tell me, how does the mother's brain But tell me, how does the mother's brain But tell me, how does the mother's brain change? change? change? >> Yeah, the mother's brain changes really >> Yeah, the mother's brain changes really >> Yeah, the mother's brain changes really profoundly as well. Moms are losing profoundly as well. Moms are losing profoundly as well. Moms are losing about 2 and 12% of their brain volume about 2 and 12% of their brain volume about 2 and 12% of their brain volume from before pregnancy to after birth. from before pregnancy to after birth. from before pregnancy to after birth. Dads in our studies, we found they lose Dads in our studies, we found they lose Dads in our studies, we found they lose about 1% of their brain volume. So, about 1% of their brain volume. So, about 1% of their brain volume. So, similar pattern in similar parts of the similar pattern in similar parts of the similar pattern in similar parts of the brain, but the magnitude is different brain, but the magnitude is different brain, but the magnitude is different and there's more variability in the and there's more variability in the and there's more variability in the dads.

dads. dads. >> And how did you conduct these studies? >> And how did you conduct these studies? >> And how did you conduct these studies? What was the methodology? So, we What was the methodology? So, we What was the methodology? So, we recruited a bunch of firsttime parents. recruited a bunch of firsttime parents. recruited a bunch of firsttime parents. These were uh all couples that we These were uh all couples that we These were uh all couples that we recruited during pregnancy. recruited during pregnancy. recruited during pregnancy. >> Our only rule was that you had to be >> Our only rule was that you had to be >> Our only rule was that you had to be cohabiting and you had to be planning to cohabiting and you had to be planning to cohabiting and you had to be planning to continue cohabiting after the birth continue cohabiting after the birth continue cohabiting after the birth because we really wanted to capture the because we really wanted to capture the because we really wanted to capture the dads and get their experience, you know, dads and get their experience, you know, dads and get their experience, you know, being in proximity to their babies. And being in proximity to their babies. And being in proximity to their babies. And so, we brought them into the lab. We so, we brought them into the lab. We so, we brought them into the lab. We asked them every question we could think asked them every question we could think asked them every question we could think of. We sampled their blood, their of. We sampled their blood, their of. We sampled their blood, their saliva, their hair. Uh we had them fight saliva, their hair. Uh we had them fight saliva, their hair. Uh we had them fight with each other on camera. We scanned with each other on camera. We scanned with each other on camera. We scanned the men's brains and then about 6 months the men's brains and then about 6 months the men's brains and then about 6 months after their baby was born, we brought after their baby was born, we brought after their baby was born, we brought them back into the lab, blood, saliva, them back into the lab, blood, saliva, them back into the lab, blood, saliva, hair. This time we got a breast milk hair. This time we got a breast milk hair. This time we got a breast milk sample. We got a sample of baby poop and sample. We got a sample of baby poop and sample. We got a sample of baby poop and we had them fight again and we scan the we had them fight again and we scan the we had them fight again and we scan the dad's brains again. dad's brains again. dad's brains again. >> You had them fight again. >> You had them fight again. >> You had them fight again. >> We had them fight again. We wanted to >> We had them fight again. We wanted to >> We had them fight again. We wanted to see how do couples communicate with each see how do couples communicate with each see how do couples communicate with each other and does that change across the other and does that change across the other and does that change across the transition to parenthood and also what transition to parenthood and also what transition to parenthood and also what communication styles are going to communication styles are going to communication styles are going to predict better couple level adaptation predict better couple level adaptation predict better couple level adaptation to becoming parents.

to becoming parents. to becoming parents. >> How did you get them to fight? I need to >> How did you get them to fight? I need to >> How did you get them to fight? I need to make sure I don't do that. make sure I don't do that. make sure I don't do that. >> So we gave them a whole list of >> So we gave them a whole list of >> So we gave them a whole list of different topics. We said these are different topics. We said these are different topics. We said these are topics that couples commonly argue about topics that couples commonly argue about topics that couples commonly argue about which are hot button issues for you and which are hot button issues for you and which are hot button issues for you and your partner. And so we had both the mom your partner. And so we had both the mom your partner. And so we had both the mom and the dad fill these out and the dad fill these out and the dad fill these out independently. And then we went through independently. And then we went through independently. And then we went through and we saw what are the issues that both and we saw what are the issues that both and we saw what are the issues that both people are endorsing and we said we want people are endorsing and we said we want people are endorsing and we said we want you to talk about this issue. Don't hold you to talk about this issue. Don't hold you to talk about this issue. Don't hold back. We're going to give you 15 minutes back. We're going to give you 15 minutes back. We're going to give you 15 minutes sit in this room and we, you know, watch sit in this room and we, you know, watch sit in this room and we, you know, watch them talk through it. They weren't, you them talk through it. They weren't, you them talk through it. They weren't, you know, like punching each other, but the know, like punching each other, but the know, like punching each other, but the conversations were often contentious conversations were often contentious conversations were often contentious because they were talking about issues because they were talking about issues because they were talking about issues that were frequently objects of that were frequently objects of that were frequently objects of conflict. conflict. conflict. >> Mhm. Okay. And what did you discover? >> Mhm. Okay. And what did you discover? >> Mhm. Okay. And what did you discover? >> So, we discovered that when couples >> So, we discovered that when couples >> So, we discovered that when couples fought more negatively with each other, fought more negatively with each other, fought more negatively with each other, they subsequently reported more they subsequently reported more they subsequently reported more difficult birth experiences. difficult birth experiences. difficult birth experiences. And it's interesting because birth is a And it's interesting because birth is a And it's interesting because birth is a time in which moms need a lot of support time in which moms need a lot of support time in which moms need a lot of support and the partner is often a primary and the partner is often a primary and the partner is often a primary person who's in the room providing that person who's in the room providing that person who's in the room providing that support. So, when couples have, you support. So, when couples have, you support. So, when couples have, you know, sort of like a like a toxic know, sort of like a like a toxic know, sort of like a like a toxic difficult relationship, that can really difficult relationship, that can really difficult relationship, that can really color mom's experience of the birth.

color mom's experience of the birth. color mom's experience of the birth. Are you saying that because the person Are you saying that because the person Are you saying that because the person that they fought with and don't have a that they fought with and don't have a that they fought with and don't have a good conflict resolution strategy with good conflict resolution strategy with good conflict resolution strategy with it was in the room, they had a bad birth it was in the room, they had a bad birth it was in the room, they had a bad birth experience or did something actually experience or did something actually experience or did something actually happen in the birth experience? Did like happen in the birth experience? Did like happen in the birth experience? Did like the the husband make a comment like the the husband make a comment like the the husband make a comment like >> Yeah. No, I mean we didn't record their >> Yeah. No, I mean we didn't record their >> Yeah. No, I mean we didn't record their conversations during the birth, but we conversations during the birth, but we conversations during the birth, but we actually did get the charts from the actually did get the charts from the actually did get the charts from the hospital or the birth center after the hospital or the birth center after the hospital or the birth center after the baby delivered and we looked at baby delivered and we looked at baby delivered and we looked at complications. We looked at how complications. We looked at how complications. We looked at how medically complex the birth was. And we medically complex the birth was. And we medically complex the birth was. And we found that when couples fought more found that when couples fought more found that when couples fought more negatively and less positively during negatively and less positively during negatively and less positively during pregnancy, pregnancy, pregnancy, >> during pregnancy >> during pregnancy >> during pregnancy >> during pregnancy, so you know, they're >> during pregnancy, so you know, they're >> during pregnancy, so you know, they're about 6 months into pregnancy. A few about 6 months into pregnancy. A few about 6 months into pregnancy. A few months later, when it's time to deliver months later, when it's time to deliver months later, when it's time to deliver the infant, they had more medically the infant, they had more medically the infant, they had more medically complex births. And they also appraised complex births. And they also appraised complex births. And they also appraised the births as more stressful. So the the births as more stressful. So the the births as more stressful. So the conclusion is it's thinking about the conclusion is it's thinking about the conclusion is it's thinking about the couple relationship is actually couple relationship is actually couple relationship is actually important when we think about birth. important when we think about birth. important when we think about birth. There's been a huge sea change about how There's been a huge sea change about how There's been a huge sea change about how we deliver babies. You know, like it we deliver babies. You know, like it we deliver babies. You know, like it used to be that men were never in the used to be that men were never in the used to be that men were never in the birthing room. So, babies were t birthing room. So, babies were t birthing room. So, babies were t typically delivered with the assistance typically delivered with the assistance typically delivered with the assistance of a female midwife and female of a female midwife and female of a female midwife and female relatives. And it really wasn't until relatives. And it really wasn't until relatives. And it really wasn't until birth moved into hospitals in, you know, birth moved into hospitals in, you know, birth moved into hospitals in, you know, the late 19th century, suddenly you had the late 19th century, suddenly you had the late 19th century, suddenly you had a male physician who's presiding over a male physician who's presiding over a male physician who's presiding over the birth. And then really it wasn't the birth. And then really it wasn't the birth. And then really it wasn't until the 60s and 70s that dads started until the 60s and 70s that dads started until the 60s and 70s that dads started to advocate for their inclusion in the to advocate for their inclusion in the to advocate for their inclusion in the birth room. They said, you know, we birth room. They said, you know, we birth room. They said, you know, we don't want to miss this. We want to be

don't want to miss this. We want to be don't want to miss this. We want to be present. But because historically dads present. But because historically dads present. But because historically dads have really not been part of the birth have really not been part of the birth have really not been part of the birth experience, we haven't necessarily experience, we haven't necessarily experience, we haven't necessarily thought about the couple relationship as thought about the couple relationship as thought about the couple relationship as a place to intervene. If we want to make a place to intervene. If we want to make a place to intervene. If we want to make birth go smoothly, we actually want to birth go smoothly, we actually want to birth go smoothly, we actually want to be thinking about dad's mental health be thinking about dad's mental health be thinking about dad's mental health and we want to be thinking about coup's and we want to be thinking about coup's and we want to be thinking about coup's relationship functioning because those relationship functioning because those relationship functioning because those things might actually affect mom's things might actually affect mom's things might actually affect mom's psychological experience at birth. psychological experience at birth. psychological experience at birth. >> So you're saying don't fight during >> So you're saying don't fight during >> So you're saying don't fight during pregnancy. pregnancy. pregnancy. >> Yeah. Well, or just find more effective >> Yeah. Well, or just find more effective >> Yeah. Well, or just find more effective ways to fight. You want to figure out ways to fight. You want to figure out ways to fight. You want to figure out ways to ways to ways to calm each other down, validate each calm each other down, validate each calm each other down, validate each other, not necessarily, you know, amp other, not necessarily, you know, amp other, not necessarily, you know, amp each other up and get into these really each other up and get into these really each other up and get into these really negative spirals. I guess I want to push negative spirals. I guess I want to push negative spirals. I guess I want to push on a point of nuance here because I'm on a point of nuance here because I'm on a point of nuance here because I'm concerned that concerned that concerned that >> expectant parents might be looking at >> expectant parents might be looking at >> expectant parents might be looking at each other right now as they listen to each other right now as they listen to each other right now as they listen to this episode. I imagine we've got a lot this episode. I imagine we've got a lot this episode. I imagine we've got a lot of expectant parents listening and of expectant parents listening and of expectant parents listening and they're thinking, "Fuck, we had a fight they're thinking, "Fuck, we had a fight they're thinking, "Fuck, we had a fight last week and we got the birth coming up last week and we got the birth coming up last week and we got the birth coming up in a couple of months." in a couple of months." in a couple of months." >> Yeah, there's nothing wrong with >> Yeah, there's nothing wrong with >> Yeah, there's nothing wrong with fighting. In fact, I'm a big believer fighting. In fact, I'm a big believer fighting. In fact, I'm a big believer that it's good to air out your concerns that it's good to air out your concerns that it's good to air out your concerns and grievances. What we were looking at and grievances. What we were looking at and grievances. What we were looking at specifically were negative conflict specifically were negative conflict specifically were negative conflict behaviors.

behaviors. behaviors. >> Okay? things like criticizing, showing >> Okay? things like criticizing, showing >> Okay? things like criticizing, showing contempt, contempt, contempt, um stonewalling, so like refusing to um stonewalling, so like refusing to um stonewalling, so like refusing to listen to see the other person's listen to see the other person's listen to see the other person's perspective. Actually, one of my really perspective. Actually, one of my really perspective. Actually, one of my really smart grad students is working on a smart grad students is working on a smart grad students is working on a project right now where he looks he's project right now where he looks he's project right now where he looks he's looking at like what is kind of like a looking at like what is kind of like a looking at like what is kind of like a magic ingredient that helps couples magic ingredient that helps couples magic ingredient that helps couples shift from being negative with each shift from being negative with each shift from being negative with each other to being positive with each other other to being positive with each other other to being positive with each other during these conflict tasks. He's like during these conflict tasks. He's like during these conflict tasks. He's like literally looking at the same task and literally looking at the same task and literally looking at the same task and he's finding the ingredient is he's finding the ingredient is he's finding the ingredient is validation. So just conveying to your validation. So just conveying to your validation. So just conveying to your partner, I understand what you're partner, I understand what you're partner, I understand what you're saying. I see where you're coming from. saying. I see where you're coming from. saying. I see where you're coming from. I'm right here with you. I get it. Like I'm right here with you. I get it. Like I'm right here with you. I get it. Like those kinds of behaviors make a huge those kinds of behaviors make a huge those kinds of behaviors make a huge difference because they sort of take difference because they sort of take difference because they sort of take like a lot of the tension and like a lot of the tension and like a lot of the tension and frustration out of the conversation. As frustration out of the conversation. As frustration out of the conversation. As soon as you feel really heard by your soon as you feel really heard by your soon as you feel really heard by your partner, you you know the wind is a partner, you you know the wind is a partner, you you know the wind is a little bit out of your sails for being little bit out of your sails for being little bit out of your sails for being furious. furious. furious. >> I sometimes worry that a lot of people >> I sometimes worry that a lot of people >> I sometimes worry that a lot of people are waiting for perfection are waiting for perfection are waiting for perfection >> before they step into the next season of >> before they step into the next season of >> before they step into the next season of parenthood. Maybe I'm guilty of this parenthood. Maybe I'm guilty of this parenthood. Maybe I'm guilty of this myself a little bit to some degree. I myself a little bit to some degree. I myself a little bit to some degree. I think me and my partner talk about this think me and my partner talk about this think me and my partner talk about this sometimes, me and my fiance about like sometimes, me and my fiance about like sometimes, me and my fiance about like it doesn't feel like there's ever going it doesn't feel like there's ever going it doesn't feel like there's ever going to be a perfect time to have kids.

to be a perfect time to have kids. to be a perfect time to have kids. >> Yeah. when you look at the nature of my >> Yeah. when you look at the nature of my >> Yeah. when you look at the nature of my life and her life, you go, "Look, crazy life and her life, you go, "Look, crazy life and her life, you go, "Look, crazy crazy schedules. Um, there really is no crazy schedules. Um, there really is no crazy schedules. Um, there really is no time right now." Um, but I reflect and time right now." Um, but I reflect and time right now." Um, but I reflect and go, "Well, everything that I do now, go, "Well, everything that I do now, go, "Well, everything that I do now, including this podcast, at the time that including this podcast, at the time that including this podcast, at the time that I did the first episode, there was no I did the first episode, there was no I did the first episode, there was no time, but I made the time." time, but I made the time." time, but I made the time." >> Um, and I sometimes worry that as as >> Um, and I sometimes worry that as as >> Um, and I sometimes worry that as as young people, we are in a culture that young people, we are in a culture that young people, we are in a culture that is waiting for um more perfection than is waiting for um more perfection than is waiting for um more perfection than than is coming in terms of our romantic than is coming in terms of our romantic than is coming in terms of our romantic partner or our circumstances. And of partner or our circumstances. And of partner or our circumstances. And of course there is a a fundamental sort of course there is a a fundamental sort of course there is a a fundamental sort of basis of security that everybody needs basis of security that everybody needs basis of security that everybody needs to be able to bring um a life into the to be able to bring um a life into the to be able to bring um a life into the world and often people don't have that. world and often people don't have that. world and often people don't have that. >> Yeah. >> Yeah. >> Yeah. >> Um but I'm wondering what your thoughts >> Um but I'm wondering what your thoughts >> Um but I'm wondering what your thoughts are on that. are on that. are on that. >> Yeah. I mean I had this conversation >> Yeah. I mean I had this conversation >> Yeah. I mean I had this conversation with my grad school adviser. I said I with my grad school adviser. I said I with my grad school adviser. I said I would love to have kids. What do you would love to have kids. What do you would love to have kids. What do you recommend? When is the right time? And recommend? When is the right time? And recommend? When is the right time? And she laughed and she said there is no she laughed and she said there is no she laughed and she said there is no right time. You just have to do it. You right time. You just have to do it. You right time. You just have to do it. You just have to make it work because once just have to make it work because once just have to make it work because once the baby shows up, you'll figure it out. the baby shows up, you'll figure it out. the baby shows up, you'll figure it out. And that was tremendously good advice And that was tremendously good advice And that was tremendously good advice and and you know led me to start having and and you know led me to start having and and you know led me to start having kids within the next few years after kids within the next few years after kids within the next few years after that conversation.

that conversation. that conversation. >> Really? >> Really? >> Really? >> Yeah. Yeah. I was like, "Okay, I guess >> Yeah. Yeah. I was like, "Okay, I guess >> Yeah. Yeah. I was like, "Okay, I guess it's I'm just going to go for it. I'm it's I'm just going to go for it. I'm it's I'm just going to go for it. I'm going to make it work." And it was hard, going to make it work." And it was hard, going to make it work." And it was hard, >> but we did in fact figure it out. And I >> but we did in fact figure it out. And I >> but we did in fact figure it out. And I think, you know, when you optimize think, you know, when you optimize think, you know, when you optimize everything and you feel like you need everything and you feel like you need everything and you feel like you need the perfect conditions, I need to own a the perfect conditions, I need to own a the perfect conditions, I need to own a house. It has to be this many bedrooms. house. It has to be this many bedrooms. house. It has to be this many bedrooms. I need, you know, this level of I need, you know, this level of I need, you know, this level of stability. Yes. All those things are stability. Yes. All those things are stability. Yes. All those things are terrific, but historically, you know, terrific, but historically, you know, terrific, but historically, you know, people had kids young and you know, people had kids young and you know, people had kids young and you know, often they found that having kids gave often they found that having kids gave often they found that having kids gave them a really strong impetus to get them a really strong impetus to get them a really strong impetus to get those things together. We used to think those things together. We used to think those things together. We used to think about having kids as like a cornerstone about having kids as like a cornerstone about having kids as like a cornerstone of a life. It's like a foundation. You of a life. It's like a foundation. You of a life. It's like a foundation. You know, you do that and then you sort of know, you do that and then you sort of know, you do that and then you sort of build your career and everything else. build your career and everything else. build your career and everything else. Now we kind of think of it as like a Now we kind of think of it as like a Now we kind of think of it as like a capstone. It's like your crowning capstone. It's like your crowning capstone. It's like your crowning achievement. you've got everything achievement. you've got everything achievement. you've got everything perfectly set and now it's time to have perfectly set and now it's time to have perfectly set and now it's time to have kids. And I think the problem with that kids. And I think the problem with that kids. And I think the problem with that is first of all, our biology doesn't is first of all, our biology doesn't is first of all, our biology doesn't always agree. You know, we can sort of always agree. You know, we can sort of always agree. You know, we can sort of lose our our best window in which to lose our our best window in which to lose our our best window in which to have kids. And I also think like having have kids. And I also think like having have kids. And I also think like having kids isn't just an individual kids isn't just an individual kids isn't just an individual responsibility. We need to be thinking responsibility. We need to be thinking responsibility. We need to be thinking about it as it's a collective about it as it's a collective about it as it's a collective responsibility. It's societal. We are an responsibility. It's societal. We are an responsibility. It's societal. We are an alo parenting species. So what that alo parenting species. So what that alo parenting species. So what that means, we're we're cooperative breeders.

means, we're we're cooperative breeders. means, we're we're cooperative breeders. We raise our kids in community. That's We raise our kids in community. That's We raise our kids in community. That's how we evolved. That's if you look at how we evolved. That's if you look at how we evolved. That's if you look at hunter gatherers, that's how they raised hunter gatherers, that's how they raised hunter gatherers, that's how they raised their kids. We are not designed to do their kids. We are not designed to do their kids. We are not designed to do this in isolation. And and I think, you this in isolation. And and I think, you this in isolation. And and I think, you know, when you think about like what know, when you think about like what know, when you think about like what does a healthy society provide for does a healthy society provide for does a healthy society provide for parents to reduce stress, right? Like parents to reduce stress, right? Like parents to reduce stress, right? Like generous maternity and paternity leaves, generous maternity and paternity leaves, generous maternity and paternity leaves, you know, job protections, child care. you know, job protections, child care. you know, job protections, child care. Like I'm a big believer in having strong Like I'm a big believer in having strong Like I'm a big believer in having strong policies that make it easier to have policies that make it easier to have policies that make it easier to have kids kids kids >> because I think in the absence of those >> because I think in the absence of those >> because I think in the absence of those policies you feel like it's your job to policies you feel like it's your job to policies you feel like it's your job to get everything completely lined up and get everything completely lined up and get everything completely lined up and that time might never come especially that time might never come especially that time might never come especially not in a you know tempestuous economy not in a you know tempestuous economy not in a you know tempestuous economy >> and I think we're seeing some of the >> and I think we're seeing some of the >> and I think we're seeing some of the symptoms of exactly what you've symptoms of exactly what you've symptoms of exactly what you've described there. A landmark 2024 study described there. A landmark 2024 study described there. A landmark 2024 study published in the Lancet projects that by published in the Lancet projects that by published in the Lancet projects that by the year 20100, the year 20100, the year 20100, 97% 97% 97% of all countries and territories will of all countries and territories will of all countries and territories will have fertility rates too low to sustain have fertility rates too low to sustain have fertility rates too low to sustain their populations. The global fertility their populations. The global fertility their populations. The global fertility rate has plummeted from an average of rate has plummeted from an average of rate has plummeted from an average of five children per woman in 1950 to just five children per woman in 1950 to just five children per woman in 1950 to just 2.2 today. According to the CDC and Pew 2.2 today. According to the CDC and Pew 2.2 today. According to the CDC and Pew Research data, the US total fertility Research data, the US total fertility Research data, the US total fertility rate just hit an all-time recorded low rate just hit an all-time recorded low rate just hit an all-time recorded low of 1.6. This is far below the of 1.6. This is far below the of 1.6. This is far below the replacement rate of 2.1 children per replacement rate of 2.1 children per replacement rate of 2.1 children per couple, I guess.

couple, I guess. couple, I guess. >> Yeah. >> Yeah. >> Yeah. >> Required to keep the population stable >> Required to keep the population stable >> Required to keep the population stable without immigration. CDC data shows without immigration. CDC data shows without immigration. CDC data shows total US birth rates dropped yet again total US birth rates dropped yet again total US birth rates dropped yet again by 1% in 2025, falling to roughly 3.6 by 1% in 2025, falling to roughly 3.6 by 1% in 2025, falling to roughly 3.6 million babies, continuing a nearly two million babies, continuing a nearly two million babies, continuing a nearly two decade downfall slide since the Great decade downfall slide since the Great decade downfall slide since the Great Recession. And lastly, because the Recession. And lastly, because the Recession. And lastly, because the fertility rate is crashing in fertility rate is crashing in fertility rate is crashing in high-income nations, but remaining high-income nations, but remaining high-income nations, but remaining comparatively high in specific lowincome comparatively high in specific lowincome comparatively high in specific lowincome regions, it is predicted a massive shift regions, it is predicted a massive shift regions, it is predicted a massive shift in human demographics will take place. in human demographics will take place. in human demographics will take place. And by 201, 100, one in every two And by 201, 100, one in every two And by 201, 100, one in every two children born on the planet will be born children born on the planet will be born children born on the planet will be born in subsaharan Africa. in subsaharan Africa. in subsaharan Africa. >> It's all quite um all quite shocking to >> It's all quite um all quite shocking to >> It's all quite um all quite shocking to hear, isn't it? I think hear, isn't it? I think hear, isn't it? I think >> Well, I mean, >> Well, I mean, >> Well, I mean, >> inconceivable. I thought we'd growing up >> inconceivable. I thought we'd growing up >> inconceivable. I thought we'd growing up everyone was talking about uh too too everyone was talking about uh too too everyone was talking about uh too too many people being on the planet, many people being on the planet, many people being on the planet, >> right? There was this narrative of the >> right? There was this narrative of the >> right? There was this narrative of the population bomb which was this really population bomb which was this really population bomb which was this really popular theory in the '60s that we had popular theory in the '60s that we had popular theory in the '60s that we had too many children. too many children. too many children. >> Yeah. >> Yeah. >> Yeah. >> And we needed to, you know, adopt >> And we needed to, you know, adopt >> And we needed to, you know, adopt contraception and we needed to prevent contraception and we needed to prevent contraception and we needed to prevent too many children from being born. We too many children from being born. We too many children from being born. We all took that too literally and maybe all took that too literally and maybe all took that too literally and maybe overcorrected cuz now you have this overcorrected cuz now you have this overcorrected cuz now you have this population drop. And it's concerning population drop. And it's concerning population drop. And it's concerning because what you don't want is a society because what you don't want is a society because what you don't want is a society with what's called an inverse age curve with what's called an inverse age curve with what's called an inverse age curve which means that you have many more old which means that you have many more old which means that you have many more old people than young people people than young people people than young people >> because you know then you don't have >> because you know then you don't have >> because you know then you don't have enough caregivers for the older people.

enough caregivers for the older people. enough caregivers for the older people. You don't have enough people to sustain You don't have enough people to sustain You don't have enough people to sustain the economy. the economy. the economy. >> You don't have innovators. You don't >> You don't have innovators. You don't >> You don't have innovators. You don't have you know the folks who are sort of have you know the folks who are sort of have you know the folks who are sort of building your future. You've depopulated building your future. You've depopulated building your future. You've depopulated that and you have a very aging that and you have a very aging that and you have a very aging population and that can create a lot of population and that can create a lot of population and that can create a lot of instability. instability. instability. So I I think we need to be thinking So I I think we need to be thinking So I I think we need to be thinking about, you know, how do we make about, you know, how do we make about, you know, how do we make parenting easier and more parenting easier and more parenting easier and more [clears throat] desirable for young [clears throat] desirable for young [clears throat] desirable for young people because I think that we've people because I think that we've people because I think that we've managed to market it as an [laughter] managed to market it as an [laughter] managed to market it as an [laughter] undesirable choice. undesirable choice. undesirable choice. >> How does how do we make it easier and >> How does how do we make it easier and >> How does how do we make it easier and more desirable for young people? more desirable for young people? more desirable for young people? >> So I think part of it is the >> So I think part of it is the >> So I think part of it is the conversation we're having right now conversation we're having right now conversation we're having right now where we're talking about the meaning, where we're talking about the meaning, where we're talking about the meaning, the purpose, the benefits that you can the purpose, the benefits that you can the purpose, the benefits that you can get from your relationships with others. get from your relationships with others. get from your relationships with others. I think that we need a cultural reframe I think that we need a cultural reframe I think that we need a cultural reframe around care to raise the value of care. around care to raise the value of care. around care to raise the value of care. One of the reasons I'm interested in One of the reasons I'm interested in One of the reasons I'm interested in fatherhood is because I think seeing men fatherhood is because I think seeing men fatherhood is because I think seeing men as talented caregivers kind of unlocks as talented caregivers kind of unlocks as talented caregivers kind of unlocks this appreciation we have for the this appreciation we have for the this appreciation we have for the importance of care.

importance of care. importance of care. >> The shift you described your brother >> The shift you described your brother >> The shift you described your brother undergoing where he went from undergoing where he went from undergoing where he went from transactional, how can I make the most transactional, how can I make the most transactional, how can I make the most money to my kids matter, how can I spend money to my kids matter, how can I spend money to my kids matter, how can I spend the most time with them? the most time with them? the most time with them? >> Yeah. I think is a is a really valuable >> Yeah. I think is a is a really valuable >> Yeah. I think is a is a really valuable shift in purpose that you know at scale shift in purpose that you know at scale shift in purpose that you know at scale would make societies healthier and more would make societies healthier and more would make societies healthier and more empathetic. empathetic. empathetic. >> So there's like two things I think are >> So there's like two things I think are >> So there's like two things I think are worth saying here from my perspective. worth saying here from my perspective. worth saying here from my perspective. The first is I think it's important that The first is I think it's important that The first is I think it's important that we express the fact that a not everybody we express the fact that a not everybody we express the fact that a not everybody can have kids because of you know can have kids because of you know can have kids because of you know reasons beyond their control. I think reasons beyond their control. I think reasons beyond their control. I think the second thing is not everybody wants the second thing is not everybody wants the second thing is not everybody wants or should should want to have kids you or should should want to have kids you or should should want to have kids you know depending on their circumstance. know depending on their circumstance. know depending on their circumstance. Um, and the third thing is that I do Um, and the third thing is that I do Um, and the third thing is that I do feel in my personal circumstances, um, feel in my personal circumstances, um, feel in my personal circumstances, um, when I think about what I want from my when I think about what I want from my when I think about what I want from my life, again, this is about me, I do feel life, again, this is about me, I do feel life, again, this is about me, I do feel tremendously positively jealous of his tremendously positively jealous of his tremendously positively jealous of his life. life. life. >> And that's it's a strange thing because, >> And that's it's a strange thing because, >> And that's it's a strange thing because, you know, he has a couple more gray you know, he has a couple more gray you know, he has a couple more gray hairs than me, even though he's only a hairs than me, even though he's only a hairs than me, even though he's only a year older. So, you know, everything in year older. So, you know, everything in year older. So, you know, everything in life is a trade-off. But the like deep life is a trade-off. But the like deep life is a trade-off. But the like deep sense of meaning and purpose that even I sense of meaning and purpose that even I sense of meaning and purpose that even I experience when those kids are here like experience when those kids are here like experience when those kids are here like they were at my house for the last they were at my house for the last they were at my house for the last couple of weeks and it's it's everything couple of weeks and it's it's everything couple of weeks and it's it's everything seems yeah incomparable in in terms of seems yeah incomparable in in terms of seems yeah incomparable in in terms of like meaning to these beautiful like meaning to these beautiful like meaning to these beautiful children.

children. children. >> Yeah. They're just endlessly curious and >> Yeah. They're just endlessly curious and >> Yeah. They're just endlessly curious and fascinating fascinating fascinating and you know there's very little you can and you know there's very little you can and you know there's very little you can get from scrolling on a screen that you get from scrolling on a screen that you get from scrolling on a screen that you know that to me is as fulfilling as what know that to me is as fulfilling as what know that to me is as fulfilling as what you can get from watching a baby learn you can get from watching a baby learn you can get from watching a baby learn something. something. something. >> It used to be that working for yourself >> It used to be that working for yourself >> It used to be that working for yourself was a massive massive risk. But that was a massive massive risk. But that was a massive massive risk. But that world has completely changed. If you've world has completely changed. If you've world has completely changed. If you've got a business idea that you can't stop got a business idea that you can't stop got a business idea that you can't stop thinking about I think you owe it to thinking about I think you owe it to thinking about I think you owe it to yourself to at least try and make it yourself to at least try and make it yourself to at least try and make it happen. And that is where our show happen. And that is where our show happen. And that is where our show sponsor Shopify comes in. Their smart sponsor Shopify comes in. Their smart sponsor Shopify comes in. Their smart platform includes everything you need to platform includes everything you need to platform includes everything you need to start selling and get that idea off the start selling and get that idea off the start selling and get that idea off the ground. They have this drag and drop ground. They have this drag and drop ground. They have this drag and drop editor. They have this AI sidekick and editor. They have this AI sidekick and editor. They have this AI sidekick and helps you. They have analytics. And you helps you. They have analytics. And you helps you. They have analytics. And you don't need to be an expert to get going. don't need to be an expert to get going. don't need to be an expert to get going. Shopify's best-in-class checkout makes Shopify's best-in-class checkout makes Shopify's best-in-class checkout makes sure that you're getting paid from day sure that you're getting paid from day sure that you're getting paid from day one. It helps more of your customers one. It helps more of your customers one. It helps more of your customers finish their purchase because their finish their purchase because their finish their purchase because their checkout is so efficient and it saves checkout is so efficient and it saves checkout is so efficient and it saves their info for next time. Personalized their info for next time. Personalized their info for next time. Personalized checkouts like that equal more checkouts like that equal more checkouts like that equal more conversion equal a faster growing conversion equal a faster growing conversion equal a faster growing business. Nothing kills that early business. Nothing kills that early business. Nothing kills that early enthusiasm you have for a new idea than enthusiasm you have for a new idea than enthusiasm you have for a new idea than that first initial step to get going that first initial step to get going that first initial step to get going being difficult, complicated, or being difficult, complicated, or being difficult, complicated, or expensive. And you need to save as much expensive. And you need to save as much expensive. And you need to save as much time and money so that you can focus all time and money so that you can focus all time and money so that you can focus all of it on growing your actual business.

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Am I right in thinking that parents have Am I right in thinking that parents have different brains as it relates to different brains as it relates to different brains as it relates to the brain being protected? the brain being protected? the brain being protected? >> Yeah. So there's this really interesting >> Yeah. So there's this really interesting >> Yeah. So there's this really interesting emerging body of research suggesting emerging body of research suggesting emerging body of research suggesting that being a parent is neuroprotective that being a parent is neuroprotective that being a parent is neuroprotective in late life. So there are studies, the in late life. So there are studies, the in late life. So there are studies, the UK bioank is the biggest repository of UK bioank is the biggest repository of UK bioank is the biggest repository of brain scans from people in their 50s and brain scans from people in their 50s and brain scans from people in their 50s and 60s and they find that both men and 60s and they find that both men and 60s and they find that both men and women who report having had more kids women who report having had more kids women who report having had more kids have markers of a younger looking brain have markers of a younger looking brain have markers of a younger looking brain age. So if you do a machine learning age. So if you do a machine learning age. So if you do a machine learning algorithm that adjusts for your algorithm that adjusts for your algorithm that adjusts for your chronological age and then you know chronological age and then you know chronological age and then you know takes what the scans looks like and uses takes what the scans looks like and uses takes what the scans looks like and uses that to estimate what they think your that to estimate what they think your that to estimate what they think your brain age is. You look relatively brain age is. You look relatively brain age is. You look relatively younger when you report having had more younger when you report having had more younger when you report having had more kids. It seems like the greatest benefit kids. It seems like the greatest benefit kids. It seems like the greatest benefit is at two or three kids. After that it is at two or three kids. After that it is at two or three kids. After that it kind of levels off. You don't kind of levels off. You don't kind of levels off. You don't necessarily get a big benefit from necessarily get a big benefit from necessarily get a big benefit from having had six kids compared to having having had six kids compared to having having had six kids compared to having had two. But it suggests that there is had two. But it suggests that there is had two. But it suggests that there is something about the practice that you something about the practice that you something about the practice that you get to your social brain and to your get to your social brain and to your get to your social brain and to your empathetic brain that is really empathetic brain that is really empathetic brain that is really beneficial to your, you know, brain beneficial to your, you know, brain beneficial to your, you know, brain plasticity and functioning later in plasticity and functioning later in plasticity and functioning later in life.

life. life. >> That's quite surprising because you'd >> That's quite surprising because you'd >> That's quite surprising because you'd think, you know, parents go through a think, you know, parents go through a think, you know, parents go through a lot of stress having lots of kids. So lot of stress having lots of kids. So lot of stress having lots of kids. So you you'd assume that they'd be sleeping you you'd assume that they'd be sleeping you you'd assume that they'd be sleeping less. You'd assume that would be bad for less. You'd assume that would be bad for less. You'd assume that would be bad for the brain. But you're telling me there's the brain. But you're telling me there's the brain. But you're telling me there's evidence that it's actually protective evidence that it's actually protective evidence that it's actually protective to be a parent of two or three kids. to be a parent of two or three kids. to be a parent of two or three kids. >> Yeah. I think it's healthy to think >> Yeah. I think it's healthy to think >> Yeah. I think it's healthy to think about the short-term cost and then the about the short-term cost and then the about the short-term cost and then the long-term benefit. long-term benefit. long-term benefit. >> Okay. >> Okay. >> Okay. >> So, you know, like there are plenty of >> So, you know, like there are plenty of >> So, you know, like there are plenty of studies that have found that moment to studies that have found that moment to studies that have found that moment to moment, parents of young kids say that moment, parents of young kids say that moment, parents of young kids say that they're less happy. they're less happy. they're less happy. >> Mhm. >> Mhm. >> Mhm. >> They're more tired, they're more >> They're more tired, they're more >> They're more tired, they're more stressed, they have more going on. We've stressed, they have more going on. We've stressed, they have more going on. We've talked about the, you know, brain talked about the, you know, brain talked about the, you know, brain changes, hormone changes. But then, you changes, hormone changes. But then, you changes, hormone changes. But then, you know, if you look longer in later life, know, if you look longer in later life, know, if you look longer in later life, people will report more fulfillment. So, people will report more fulfillment. So, people will report more fulfillment. So, it's like you're you're doing something it's like you're you're doing something it's like you're you're doing something that's not very fun. It's taxing. It can that's not very fun. It's taxing. It can that's not very fun. It's taxing. It can be very isolating and yet you're kind of be very isolating and yet you're kind of be very isolating and yet you're kind of reaping this longer term benefit in reaping this longer term benefit in reaping this longer term benefit in terms of the power of those terms of the power of those terms of the power of those relationships and that sense of relationships and that sense of relationships and that sense of connection with other people. That connection with other people. That connection with other people. That social integration and that practice social integration and that practice social integration and that practice trying to understand others that is trying to understand others that is trying to understand others that is really beneficial like it's a glue for really beneficial like it's a glue for really beneficial like it's a glue for creating good relationships.

creating good relationships. creating good relationships. >> What is it exactly about being a parent >> What is it exactly about being a parent >> What is it exactly about being a parent though that's going to make my brain though that's going to make my brain though that's going to make my brain more protected when I get older? You more protected when I get older? You more protected when I get older? You know, one of the theories I had was that know, one of the theories I had was that know, one of the theories I had was that because, you know, when those three kids because, you know, when those three kids because, you know, when those three kids were here, they had me playing all kinds were here, they had me playing all kinds were here, they had me playing all kinds of bloody games. They wanted to play of bloody games. They wanted to play of bloody games. They wanted to play hide-and-seek for seven hours. And it is hide-and-seek for seven hours. And it is hide-and-seek for seven hours. And it is somewhat, you know, actually picking somewhat, you know, actually picking somewhat, you know, actually picking them up all the bloody time cuz there's them up all the bloody time cuz there's them up all the bloody time cuz there's three of them. And one of them's eight. three of them. And one of them's eight. three of them. And one of them's eight. I can't really pick her up easily. The I can't really pick her up easily. The I can't really pick her up easily. The other two I can get them up and then she other two I can get them up and then she other two I can get them up and then she starts complaining that I've not picked starts complaining that I've not picked starts complaining that I've not picked her up. So, I have to pick her up and her up. So, I have to pick her up and her up. So, I have to pick her up and I'm like, "Wow, what a workout." I'm like, "Wow, what a workout." I'm like, "Wow, what a workout." >> It is both a cognitive and a physical >> It is both a cognitive and a physical >> It is both a cognitive and a physical workout [laughter] workout [laughter] workout [laughter] >> when they're around. >> when they're around. >> when they're around. >> Yeah. Is it that like I'm building up >> Yeah. Is it that like I'm building up >> Yeah. Is it that like I'm building up brain reserve because they're brain reserve because they're brain reserve because they're challenging me and having tantrums and challenging me and having tantrums and challenging me and having tantrums and they're wanting to play and they're they're wanting to play and they're they're wanting to play and they're engaging me all the time? Is that why engaging me all the time? Is that why engaging me all the time? Is that why it's protective? it's protective? it's protective? >> I think it's like sudoko for your social >> I think it's like sudoko for your social >> I think it's like sudoko for your social cognition, right? It's like you're doing cognition, right? It's like you're doing cognition, right? It's like you're doing crossword puzzles but instead of like, crossword puzzles but instead of like, crossword puzzles but instead of like, you know, the sort of practice that you know, the sort of practice that you know, the sort of practice that you're getting for putting words you're getting for putting words you're getting for putting words together, you're getting practice together, you're getting practice together, you're getting practice understanding people's minds and understanding people's minds and understanding people's minds and intentions and communicating and intentions and communicating and intentions and communicating and responding to them and being sensitive responding to them and being sensitive responding to them and being sensitive to them. And all of that is putting you to them. And all of that is putting you to them. And all of that is putting you through a workout and it's also a full through a workout and it's also a full through a workout and it's also a full body workout because kids are really body workout because kids are really body workout because kids are really embodied.

embodied. embodied. >> And there's [clears throat] actually >> And there's [clears throat] actually >> And there's [clears throat] actually interesting research that dads interesting research that dads interesting research that dads especially play in these physically especially play in these physically especially play in these physically demanding kind of vigorous ways with demanding kind of vigorous ways with demanding kind of vigorous ways with >> Exactly. it was my job. My job was to >> Exactly. it was my job. My job was to >> Exactly. it was my job. My job was to pick them up and throw them as high as I pick them up and throw them as high as I pick them up and throw them as high as I possibly can. possibly can. possibly can. >> Yeah. And kids love that. >> Yeah. And kids love that. >> Yeah. And kids love that. >> Yeah. And then me now. And then like I >> Yeah. And then me now. And then like I >> Yeah. And then me now. And then like I threw that and then it's like me now. threw that and then it's like me now. threw that and then it's like me now. And then I just I was like I'm going to And then I just I was like I'm going to And then I just I was like I'm going to lose weeks throwing these kids in the lose weeks throwing these kids in the lose weeks throwing these kids in the air. But also I'm going to break air. But also I'm going to break air. But also I'm going to break something. something. something. >> Yeah. I mean, I think my husband never >> Yeah. I mean, I think my husband never >> Yeah. I mean, I think my husband never had to see the chiropractor until, you had to see the chiropractor until, you had to see the chiropractor until, you know, he became a dad and all of a know, he became a dad and all of a know, he became a dad and all of a sudden you're throwing them up in the sudden you're throwing them up in the sudden you're throwing them up in the air all the time. But that kind of play air all the time. But that kind of play air all the time. But that kind of play is really good for kids because it's is really good for kids because it's is really good for kids because it's testing their limits. It's challenging testing their limits. It's challenging testing their limits. It's challenging them and it's actually helping them them and it's actually helping them them and it's actually helping them build their risk tolerance. So like build their risk tolerance. So like build their risk tolerance. So like think about like the the moment of fear think about like the the moment of fear think about like the the moment of fear that you have when you're thrown up in that you have when you're thrown up in that you have when you're thrown up in the air and then the relief when you're the air and then the relief when you're the air and then the relief when you're caught. like caught. like caught. like >> you're basically practicing your emotion >> you're basically practicing your emotion >> you're basically practicing your emotion regulation skills on a small scale so regulation skills on a small scale so regulation skills on a small scale so that when you're thrown into a scary that when you're thrown into a scary that when you're thrown into a scary situation at school, you have a stronger situation at school, you have a stronger situation at school, you have a stronger sense of confidence. sense of confidence. sense of confidence. >> My other theory around why having >> My other theory around why having >> My other theory around why having children would be neuroprotective for children would be neuroprotective for children would be neuroprotective for the brain was around oxytocin.

the brain was around oxytocin. the brain was around oxytocin. >> And I say that cuz I sat with Robert >> And I say that cuz I sat with Robert >> And I say that cuz I sat with Robert Waldinger who's done that sort of that Waldinger who's done that sort of that Waldinger who's done that sort of that long Harvard study on human happiness. long Harvard study on human happiness. long Harvard study on human happiness. And the conclusion is that one of the And the conclusion is that one of the And the conclusion is that one of the single biggest predictors of longevity single biggest predictors of longevity single biggest predictors of longevity is whether you have strong is whether you have strong is whether you have strong relationships. And again, I I had relationships. And again, I I had relationships. And again, I I had another scientist say to me that another scientist say to me that another scientist say to me that oxytocin, the bonding chemical, is oxytocin, the bonding chemical, is oxytocin, the bonding chemical, is neuroprotective. neuroprotective. neuroprotective. >> So I imagine having three children is >> So I imagine having three children is >> So I imagine having three children is going to equal a lot of oxytocin, which going to equal a lot of oxytocin, which going to equal a lot of oxytocin, which is going to equal some is going to equal some is going to equal some neuroprotectiveness. neuroprotectiveness. neuroprotectiveness. >> I mean, we are social animals. We are >> I mean, we are social animals. We are >> I mean, we are social animals. We are designed to bond with each other. We designed to bond with each other. We designed to bond with each other. We pair bond. We bond with our kids. That's pair bond. We bond with our kids. That's pair bond. We bond with our kids. That's really healthy. I love Waldinger really healthy. I love Waldinger really healthy. I love Waldinger studies. I cite those in the book when I studies. I cite those in the book when I studies. I cite those in the book when I talk about, you know, if you really want talk about, you know, if you really want talk about, you know, if you really want to think about what creates longevity to think about what creates longevity to think about what creates longevity and well-being late in life, look at and well-being late in life, look at and well-being late in life, look at your relationships. And, you know, I your relationships. And, you know, I your relationships. And, you know, I feel like he shows that really well with feel like he shows that really well with feel like he shows that really well with this 80year study that he's been doing. this 80year study that he's been doing. this 80year study that he's been doing. There are all these like brain changes There are all these like brain changes There are all these like brain changes and hormone changes that are designed to and hormone changes that are designed to and hormone changes that are designed to facilitate to help us build those bonds. facilitate to help us build those bonds. facilitate to help us build those bonds. And that's a lot of what is sort of And that's a lot of what is sort of And that's a lot of what is sort of going off in early parenthood is like we going off in early parenthood is like we going off in early parenthood is like we are sort of reorganizing to become more are sort of reorganizing to become more are sort of reorganizing to become more sensitive, more attentive caregivers.

sensitive, more attentive caregivers. sensitive, more attentive caregivers. It's not like, you know, some people are It's not like, you know, some people are It's not like, you know, some people are just destined to be great parents and just destined to be great parents and just destined to be great parents and some people aren't. It's like as we put some people aren't. It's like as we put some people aren't. It's like as we put in the experience, as we get the in the experience, as we get the in the experience, as we get the practice, we put in the reps, we're practice, we put in the reps, we're practice, we put in the reps, we're building that brain and body that helps building that brain and body that helps building that brain and body that helps make us really great sensitive make us really great sensitive make us really great sensitive caregivers. And then that I think can caregivers. And then that I think can caregivers. And then that I think can can transfer over to our other can transfer over to our other can transfer over to our other relationships, too. If you've learned relationships, too. If you've learned relationships, too. If you've learned how to calm a kid down from a tantrum, how to calm a kid down from a tantrum, how to calm a kid down from a tantrum, you are probably going to be a very you are probably going to be a very you are probably going to be a very effective manager at work. If you have, effective manager at work. If you have, effective manager at work. If you have, you know, negotiate with three kids who you know, negotiate with three kids who you know, negotiate with three kids who all want to pick you up at different all want to pick you up at different all want to pick you up at different times, you know, you're probably going times, you know, you're probably going times, you know, you're probably going to be a better problem solver in your to be a better problem solver in your to be a better problem solver in your couple relationship. Like, those are couple relationship. Like, those are couple relationship. Like, those are just skills that you're building that just skills that you're building that just skills that you're building that can cross domains. can cross domains. can cross domains. >> I was just looking at some of the the >> I was just looking at some of the the >> I was just looking at some of the the research on this and it says that research on this and it says that research on this and it says that research shows that oxytocin actively research shows that oxytocin actively research shows that oxytocin actively downregulates harmful pro-inflammatory downregulates harmful pro-inflammatory downregulates harmful pro-inflammatory cytoines in the brain. It acts as it cytoines in the brain. It acts as it cytoines in the brain. It acts as it acts on the brain's immune cells um acts on the brain's immune cells um acts on the brain's immune cells um making toxic inflammatory responses making toxic inflammatory responses making toxic inflammatory responses lower. And studies on aging mice lower. And studies on aging mice lower. And studies on aging mice demonstrated that long-term oxytocin demonstrated that long-term oxytocin demonstrated that long-term oxytocin treatment concurrently enhanced the treatment concurrently enhanced the treatment concurrently enhanced the brain's plasticity which directly brain's plasticity which directly brain's plasticity which directly improved learning and made them better improved learning and made them better improved learning and made them better with memory as they aged. And in terms with memory as they aged. And in terms with memory as they aged. And in terms of Alzheimer's, in animal models of of Alzheimer's, in animal models of of Alzheimer's, in animal models of Alzheimer's, oxytocin has been shown to Alzheimer's, oxytocin has been shown to Alzheimer's, oxytocin has been shown to reduce the toxicity of amalloid beta reduce the toxicity of amalloid beta reduce the toxicity of amalloid beta plaques, the toxic protein clumps that plaques, the toxic protein clumps that plaques, the toxic protein clumps that are the hallmark of Alzheimer's disease, are the hallmark of Alzheimer's disease, are the hallmark of Alzheimer's disease, which is fascinating. And that's um which is fascinating. And that's um which is fascinating. And that's um that's the chemical that is produced that's the chemical that is produced that's the chemical that is produced from bonding.

from bonding. from bonding. >> Yeah, that's a pair bonding chemical. >> Yeah, that's a pair bonding chemical. >> Yeah, that's a pair bonding chemical. It's it's an affiliative neuropeptide. It's it's an affiliative neuropeptide. It's it's an affiliative neuropeptide. So, it sort of helps us shore up our So, it sort of helps us shore up our So, it sort of helps us shore up our social bonds. social bonds. social bonds. >> Touch is really important, isn't it? >> Touch is really important, isn't it? >> Touch is really important, isn't it? Yeah. Yeah. Yeah. >> You know, it's such an important thing. >> You know, it's such an important thing. >> You know, it's such an important thing. >> Yeah. My lab found actually that when >> Yeah. My lab found actually that when >> Yeah. My lab found actually that when dads engage in more physical touch that dads engage in more physical touch that dads engage in more physical touch that there's a type of touch that's called there's a type of touch that's called there's a type of touch that's called proprioceptive touch which is exactly proprioceptive touch which is exactly proprioceptive touch which is exactly what you were just describing like what you were just describing like what you were just describing like picking babies up moving them around picking babies up moving them around picking babies up moving them around playing with them like in space. It's playing with them like in space. It's playing with them like in space. It's that sort of like vigorous touch that we that sort of like vigorous touch that we that sort of like vigorous touch that we often associate with fathers. often associate with fathers. often associate with fathers. >> When dads did more of that they >> When dads did more of that they >> When dads did more of that they subsequently had higher oxytocin levels subsequently had higher oxytocin levels subsequently had higher oxytocin levels when we did a blood draw in our lab and when we did a blood draw in our lab and when we did a blood draw in our lab and that's been found in some other labs as that's been found in some other labs as that's been found in some other labs as well. well. well. >> Do you know Erica Commissar he's been on >> Do you know Erica Commissar he's been on >> Do you know Erica Commissar he's been on my show? my show? my show? >> I do. One of the things she says which >> I do. One of the things she says which >> I do. One of the things she says which has been a little bit controversial is has been a little bit controversial is has been a little bit controversial is that she's argued that placing children that she's argued that placing children that she's argued that placing children under the age of three in daycare causes under the age of three in daycare causes under the age of three in daycare causes profound separation trauma and elevates profound separation trauma and elevates profound separation trauma and elevates cortisol to dangerous levels. So she's cortisol to dangerous levels. So she's cortisol to dangerous levels. So she's quite against daycare. quite against daycare. quite against daycare. >> I so I politely disagree. I both my kids >> I so I politely disagree. I both my kids >> I so I politely disagree. I both my kids went to daycare where they thrived and I went to daycare where they thrived and I went to daycare where they thrived and I am a big believer in this idea of alo am a big believer in this idea of alo am a big believer in this idea of alo parenting which is this idea that we parenting which is this idea that we parenting which is this idea that we collectively raise kids. We are designed collectively raise kids. We are designed collectively raise kids. We are designed to help each other out and share care.

to help each other out and share care. to help each other out and share care. >> [clears throat] >> [clears throat] >> [clears throat] >> And so the model of single parent, >> And so the model of single parent, >> And so the model of single parent, single child, isolated in a suburban single child, isolated in a suburban single child, isolated in a suburban home is a very weird model in the home is a very weird model in the home is a very weird model in the context of human history. And so I think context of human history. And so I think context of human history. And so I think this idea that, you know, we can't this idea that, you know, we can't this idea that, you know, we can't participate in shared care or that kids participate in shared care or that kids participate in shared care or that kids can't do well in group care settings to can't do well in group care settings to can't do well in group care settings to me is a little exaggerated. I do think me is a little exaggerated. I do think me is a little exaggerated. I do think it's very true that it's about timing it's very true that it's about timing it's very true that it's about timing and when is the right window to, you and when is the right window to, you and when is the right window to, you know, put kids in group care settings. know, put kids in group care settings. know, put kids in group care settings. it it's you know ideally when kids can it it's you know ideally when kids can it it's you know ideally when kids can benefit from some social interaction benefit from some social interaction benefit from some social interaction which is usually a little older in which is usually a little older in which is usually a little older in toddlerhood. So you know 18 months and toddlerhood. So you know 18 months and toddlerhood. So you know 18 months and beyond. Very young babies often do beyond. Very young babies often do beyond. Very young babies often do better when they have a single better when they have a single better when they have a single caregiver. They have a more stable caregiver. They have a more stable caregiver. They have a more stable attachment figure that they can bond attachment figure that they can bond attachment figure that they can bond with. But babies can form really strong with. But babies can form really strong with. But babies can form really strong attachments with their dads with a attachments with their dads with a attachments with their dads with a caregiver. It doesn't necessarily have caregiver. It doesn't necessarily have caregiver. It doesn't necessarily have to be the case that mom is the only to be the case that mom is the only to be the case that mom is the only person that needs to be present for person that needs to be present for person that needs to be present for every moment of an infant's life because every moment of an infant's life because every moment of an infant's life because I think that model is not terribly I think that model is not terribly I think that model is not terribly sustainable for parents and parenting sustainable for parents and parenting sustainable for parents and parenting stress is really bad for kids. You know, stress is really bad for kids. You know, stress is really bad for kids. You know, and this goes back to the birth rate and this goes back to the birth rate and this goes back to the birth rate conversation. I think we need to be conversation. I think we need to be conversation. I think we need to be thinking about parenting in ways that thinking about parenting in ways that thinking about parenting in ways that are sustainable that allow us to get are sustainable that allow us to get are sustainable that allow us to get help. And we also, you know, if we help. And we also, you know, if we help. And we also, you know, if we really think that we don't want kids in really think that we don't want kids in really think that we don't want kids in a lot of early child care, we need to a lot of early child care, we need to a lot of early child care, we need to support that with universal paid support that with universal paid support that with universal paid parental leave, which is not available parental leave, which is not available parental leave, which is not available for most parents in the United States.

for most parents in the United States. for most parents in the United States. So, a lot of moms are coming up against So, a lot of moms are coming up against So, a lot of moms are coming up against a reality that doesn't fit with what a reality that doesn't fit with what a reality that doesn't fit with what some of the parenting gurus are telling some of the parenting gurus are telling some of the parenting gurus are telling them is the only way to raise their them is the only way to raise their them is the only way to raise their kids. And I think that creates a lot of kids. And I think that creates a lot of kids. And I think that creates a lot of anxiety. If you think about the early anxiety. If you think about the early anxiety. If you think about the early phases of a child coming into the world phases of a child coming into the world phases of a child coming into the world like year one, year two, year three, is like year one, year two, year three, is like year one, year two, year three, is there any differences in when either there any differences in when either there any differences in when either parent plays a different type of role? parent plays a different type of role? parent plays a different type of role? >> There's a little bit of difference and >> There's a little bit of difference and >> There's a little bit of difference and it sort of depends on, you know, what it sort of depends on, you know, what it sort of depends on, you know, what the parent styles are and what the kid's the parent styles are and what the kid's the parent styles are and what the kid's situation is. But there's a chapter in situation is. But there's a chapter in situation is. But there's a chapter in my book where I talked with Richard my book where I talked with Richard my book where I talked with Richard Reeves, who's done a lot of great work Reeves, who's done a lot of great work Reeves, who's done a lot of great work on masculinity and manhood. And he says on masculinity and manhood. And he says on masculinity and manhood. And he says he thinks dad should be able to get he thinks dad should be able to get he thinks dad should be able to get paternity leave up to their kid's 18th paternity leave up to their kid's 18th paternity leave up to their kid's 18th birthday because a lot of the time dads birthday because a lot of the time dads birthday because a lot of the time dads find that their sort of best find that their sort of best find that their sort of best relationship with their kid happens relationship with their kid happens relationship with their kid happens later in childhood, even in adolescence. later in childhood, even in adolescence. later in childhood, even in adolescence. You know, he talked about taking his You know, he talked about taking his You know, he talked about taking his kids on trips, teaching his sons how to kids on trips, teaching his sons how to kids on trips, teaching his sons how to drive. And so I think like dads can kind drive. And so I think like dads can kind drive. And so I think like dads can kind of come in at different points along a of come in at different points along a of come in at different points along a kid's development and provide a lot of kid's development and provide a lot of kid's development and provide a lot of value. I think early in infancy if mom value. I think early in infancy if mom value. I think early in infancy if mom is breastfeeding it's important for the is breastfeeding it's important for the is breastfeeding it's important for the baby to get that sort of regular access baby to get that sort of regular access baby to get that sort of regular access to milk. Um, you know, of course moms to milk. Um, you know, of course moms to milk. Um, you know, of course moms can pump, dads can do feeding, but it is can pump, dads can do feeding, but it is can pump, dads can do feeding, but it is often a source of challenge for couples often a source of challenge for couples often a source of challenge for couples when a baby's first born and dads feel when a baby's first born and dads feel when a baby's first born and dads feel like mom has a really big biological like mom has a really big biological like mom has a really big biological head start. You know, she has had the head start. You know, she has had the head start. You know, she has had the pregnancy, she's been able to build a

pregnancy, she's been able to build a pregnancy, she's been able to build a bond with the child. Breastfeeding is bond with the child. Breastfeeding is bond with the child. Breastfeeding is like this magical formula that she can like this magical formula that she can like this magical formula that she can give the baby to um help soothe. And so give the baby to um help soothe. And so give the baby to um help soothe. And so I think a lot of dads struggle to find I think a lot of dads struggle to find I think a lot of dads struggle to find their place in early parenthood in the their place in early parenthood in the their place in early parenthood in the first year or two because they're like first year or two because they're like first year or two because they're like what am I supposed to do? I you know it what am I supposed to do? I you know it what am I supposed to do? I you know it takes a little while for dads to kind of takes a little while for dads to kind of takes a little while for dads to kind of come online come online come online >> as parents. You know dads need I think >> as parents. You know dads need I think >> as parents. You know dads need I think some space and opportunity to figure some space and opportunity to figure some space and opportunity to figure things out and you often get into this things out and you often get into this things out and you often get into this dynamic where mom is kind of the default dynamic where mom is kind of the default dynamic where mom is kind of the default parent in the early years and dads are parent in the early years and dads are parent in the early years and dads are waiting for their instructions. when waiting for their instructions. when waiting for their instructions. when you've gone out on the book train, you've gone out on the book train, you've gone out on the book train, you've spoken to both fathers and you've spoken to both fathers and you've spoken to both fathers and mothers. What is the like central point mothers. What is the like central point mothers. What is the like central point of contention that you discover? of contention that you discover? of contention that you discover? >> It's funny. I was just at a friend's >> It's funny. I was just at a friend's >> It's funny. I was just at a friend's book club meeting and it was a mix of book club meeting and it was a mix of book club meeting and it was a mix of couples. It was moms and dads. And the couples. It was moms and dads. And the couples. It was moms and dads. And the thing that they all got into was this thing that they all got into was this thing that they all got into was this concept of maternal gatekeeping and sort concept of maternal gatekeeping and sort concept of maternal gatekeeping and sort of male malingering, which is this like of male malingering, which is this like of male malingering, which is this like double-edged kind of. And so maternal double-edged kind of. And so maternal double-edged kind of. And so maternal gatekeeping, it's a somewhat gatekeeping, it's a somewhat gatekeeping, it's a somewhat controversial term, but it just refers controversial term, but it just refers controversial term, but it just refers to anytime a mom consciously or to anytime a mom consciously or to anytime a mom consciously or unconsciously sort of puts up a unconsciously sort of puts up a unconsciously sort of puts up a roadblock to dad's fully participating roadblock to dad's fully participating roadblock to dad's fully participating in parenting. And it could be as simple in parenting. And it could be as simple in parenting. And it could be as simple as the baby's fussy and crying and mom as the baby's fussy and crying and mom as the baby's fussy and crying and mom says, "Hand him to me. You know, I know says, "Hand him to me. You know, I know says, "Hand him to me. You know, I know what to do." But over time, that kind of what to do." But over time, that kind of what to do." But over time, that kind of kind of spiral into a pattern of mom kind of spiral into a pattern of mom kind of spiral into a pattern of mom becomes the authority figure. dad is becomes the authority figure. dad is becomes the authority figure. dad is seen as like the bumbling hapless kind seen as like the bumbling hapless kind seen as like the bumbling hapless kind of appendage and and dads ultimately

of appendage and and dads ultimately of appendage and and dads ultimately feel like their contributions aren't feel like their contributions aren't feel like their contributions aren't valued or you know mom doesn't really valued or you know mom doesn't really valued or you know mom doesn't really want them to have a lot of independent want them to have a lot of independent want them to have a lot of independent time maybe it's cuz mom doesn't trust time maybe it's cuz mom doesn't trust time maybe it's cuz mom doesn't trust the dad right which is an area where I the dad right which is an area where I the dad right which is an area where I think having communication and making think having communication and making think having communication and making sure there's trust before the birth is sure there's trust before the birth is sure there's trust before the birth is really important but you know the flip really important but you know the flip really important but you know the flip side of maternal gatekeeping is what's side of maternal gatekeeping is what's side of maternal gatekeeping is what's called weaponized incompetence or called weaponized incompetence or called weaponized incompetence or husbandly mlingering husbandly mlingering husbandly mlingering which is when you know dad who's a which is when you know dad who's a which is when you know dad who's a totally competent let's say project totally competent let's say project totally competent let's say project manager at work who can handle lots of manager at work who can handle lots of manager at work who can handle lots of different spreadsheets and a whole different spreadsheets and a whole different spreadsheets and a whole workflow suddenly doesn't know what to workflow suddenly doesn't know what to workflow suddenly doesn't know what to put in the diaper bag or you know when put in the diaper bag or you know when put in the diaper bag or you know when when we were at the book club meeting when we were at the book club meeting when we were at the book club meeting one of the moms was saying their baby one of the moms was saying their baby one of the moms was saying their baby was a couple days old there was a giant was a couple days old there was a giant was a couple days old there was a giant diaper blowout and she had gone out for diaper blowout and she had gone out for diaper blowout and she had gone out for a 10-minute walk and her husband called a 10-minute walk and her husband called a 10-minute walk and her husband called to be like what do I do she's like I've to be like what do I do she's like I've to be like what do I do she's like I've been a parent for exactly 2 days that's been a parent for exactly 2 days that's been a parent for exactly 2 days that's exactly as long as you I No idea. You exactly as long as you I No idea. You exactly as long as you I No idea. You got to figure it out. He's like, "But got to figure it out. He's like, "But got to figure it out. He's like, "But the poop's on the wall." She's like, the poop's on the wall." She's like, the poop's on the wall." She's like, "I'm sorry. You You can use the wipes." "I'm sorry. You You can use the wipes." "I'm sorry. You You can use the wipes." You know, that same husband, she told me You know, that same husband, she told me You know, that same husband, she told me later, was in charge of packing lunches.

later, was in charge of packing lunches. later, was in charge of packing lunches. And a certain point, he said, "Do you And a certain point, he said, "Do you And a certain point, he said, "Do you give the kids anything but chicken give the kids anything but chicken give the kids anything but chicken nuggets?" She said, "Well, there's nuggets?" She said, "Well, there's nuggets?" She said, "Well, there's fruit. You can cut up some avocado, you fruit. You can cut up some avocado, you fruit. You can cut up some avocado, you know, like throw stuff in." So, I think know, like throw stuff in." So, I think know, like throw stuff in." So, I think that is sort of like when dads act like that is sort of like when dads act like that is sort of like when dads act like they just have no idea and it's mom's they just have no idea and it's mom's they just have no idea and it's mom's job to solve the problem. Mhm. job to solve the problem. Mhm. job to solve the problem. Mhm. >> And so I think a lot of moms are sort of >> And so I think a lot of moms are sort of >> And so I think a lot of moms are sort of frustrated with what they see as that frustrated with what they see as that frustrated with what they see as that dynamic happening. At the same time, dynamic happening. At the same time, dynamic happening. At the same time, I've talked to a lot of dads who said, I've talked to a lot of dads who said, I've talked to a lot of dads who said, "I would love to have done more, but my "I would love to have done more, but my "I would love to have done more, but my wife insisted on organizing everything, wife insisted on organizing everything, wife insisted on organizing everything, scheduling everything, telling me what scheduling everything, telling me what scheduling everything, telling me what to do. I never felt like I got an to do. I never felt like I got an to do. I never felt like I got an opportunity to fully step up." So, I opportunity to fully step up." So, I opportunity to fully step up." So, I think that's an area where couples think that's an area where couples think that's an area where couples really need to iron some of this out really need to iron some of this out really need to iron some of this out even before the baby comes. Mhm. even before the baby comes. Mhm. even before the baby comes. Mhm. >> Who's going to do what and how are we >> Who's going to do what and how are we >> Who's going to do what and how are we going to balance it in a way that we going to balance it in a way that we going to balance it in a way that we both get some ownership, we both have both get some ownership, we both have both get some ownership, we both have some opportunity and we can trust each some opportunity and we can trust each some opportunity and we can trust each other. other. other. >> Talking about that parents often report >> Talking about that parents often report >> Talking about that parents often report is that post pregnancy there is a change is that post pregnancy there is a change is that post pregnancy there is a change in their relationship and intimacy. Have in their relationship and intimacy. Have in their relationship and intimacy. Have you done any studies on that?

you done any studies on that? you done any studies on that? >> Yes. And that is one of the most robust >> Yes. And that is one of the most robust >> Yes. And that is one of the most robust findings in transition to parenthood findings in transition to parenthood findings in transition to parenthood research is that there is a drop in research is that there is a drop in research is that there is a drop in couple relationship satisfaction often couple relationship satisfaction often couple relationship satisfaction often around the birth of a new baby. And it's around the birth of a new baby. And it's around the birth of a new baby. And it's not surprising. You take two people who not surprising. You take two people who not surprising. You take two people who are having fun together, you sleepd are having fun together, you sleepd are having fun together, you sleepd deprive them, you give them a lot of deprive them, you give them a lot of deprive them, you give them a lot of extra responsibility, and then a baby extra responsibility, and then a baby extra responsibility, and then a baby who's crying and demanding that you know who's crying and demanding that you know who's crying and demanding that you know they get out of bed at multiple times they get out of bed at multiple times they get out of bed at multiple times during the night. So, you often get a during the night. So, you often get a during the night. So, you often get a lot of conflict around who's going to do lot of conflict around who's going to do lot of conflict around who's going to do what. Um, you know, who's more connected what. Um, you know, who's more connected what. Um, you know, who's more connected to the baby and and you know, I think to the baby and and you know, I think to the baby and and you know, I think it's one of those things where it's one of those things where it's one of those things where forewarned is fore armed. If couples forewarned is fore armed. If couples forewarned is fore armed. If couples know that this is going to be a risky know that this is going to be a risky know that this is going to be a risky time for their relationship, they can do time for their relationship, they can do time for their relationship, they can do more to shore up their communication more to shore up their communication more to shore up their communication before a baby's born. before a baby's born. before a baby's born. >> Have you ever quantified how different >> Have you ever quantified how different >> Have you ever quantified how different the relationship is on the other side of the relationship is on the other side of the relationship is on the other side of giving birth? We have definitely given giving birth? We have definitely given giving birth? We have definitely given lots of different couple relationship lots of different couple relationship lots of different couple relationship questionnaires and we've measured them questionnaires and we've measured them questionnaires and we've measured them and we've looked at that dip and we've and we've looked at that dip and we've and we've looked at that dip and we've seen that there is in fact a seen that there is in fact a seen that there is in fact a statistically significant drop in statistically significant drop in statistically significant drop in relationship quality relationship quality relationship quality >> and sex life.

>> and sex life. >> and sex life. >> And sex life. Yeah. I mean because of >> And sex life. Yeah. I mean because of >> And sex life. Yeah. I mean because of course, right? Like you've got an extra course, right? Like you've got an extra course, right? Like you've got an extra person in your bed a lot of the time or person in your bed a lot of the time or person in your bed a lot of the time or near your bed. near your bed. near your bed. >> And if you have delivered the baby >> And if you have delivered the baby >> And if you have delivered the baby vaginally, there's also a lot of stuff vaginally, there's also a lot of stuff vaginally, there's also a lot of stuff that's sore and might need to get that's sore and might need to get that's sore and might need to get stitched up and even more so if it was a stitched up and even more so if it was a stitched up and even more so if it was a C-section birth. C-section birth. C-section birth. >> And does that at some point go back to >> And does that at some point go back to >> And does that at some point go back to pre-birth levels in terms of pre-birth levels in terms of pre-birth levels in terms of relationship satisfaction? relationship satisfaction? relationship satisfaction? >> Yeah. So there is a lot of variability >> Yeah. So there is a lot of variability >> Yeah. So there is a lot of variability in couples relationship trajectories. So in couples relationship trajectories. So in couples relationship trajectories. So there are some couples for whom there are some couples for whom there are some couples for whom relationship quality continues to dip relationship quality continues to dip relationship quality continues to dip and often the relationship dissolves. and often the relationship dissolves. and often the relationship dissolves. There are also couples who report they There are also couples who report they There are also couples who report they have a better quality relationship after have a better quality relationship after have a better quality relationship after having parented together. You know having parented together. You know having parented together. You know there's a richer relationship like I there's a richer relationship like I there's a richer relationship like I feel that with my husband like I feel that with my husband like I feel that with my husband like I appreciate him so much because I've seen appreciate him so much because I've seen appreciate him so much because I've seen him negotiate with terrorists in the him negotiate with terrorists in the him negotiate with terrorists in the form of our young children. So, you form of our young children. So, you form of our young children. So, you know, I think like how well couples fare know, I think like how well couples fare know, I think like how well couples fare is going to diverge sort of depending on is going to diverge sort of depending on is going to diverge sort of depending on how well they can kind of muscle through how well they can kind of muscle through how well they can kind of muscle through some of those early years.

some of those early years. some of those early years. >> Earlier on, you said that men experience >> Earlier on, you said that men experience >> Earlier on, you said that men experience postpartum depression postpartum depression postpartum depression um after the birth of their child um after the birth of their child um after the birth of their child sometimes. And that's quite a sometimes. And that's quite a sometimes. And that's quite a unconventional thing to hear. unconventional thing to hear. unconventional thing to hear. >> When we think about postpartum >> When we think about postpartum >> When we think about postpartum depression, typically it's in the depression, typically it's in the depression, typically it's in the context of what the woman is context of what the woman is context of what the woman is experiencing. Yeah. experiencing. Yeah. experiencing. Yeah. >> Um, so it's quite interesting to hear >> Um, so it's quite interesting to hear >> Um, so it's quite interesting to hear that that is a big issue for men as that that is a big issue for men as that that is a big issue for men as well. well. well. >> So technically postpartum depression >> So technically postpartum depression >> So technically postpartum depression just means depression that occurs after just means depression that occurs after just means depression that occurs after the birth of a baby. That's what the birth of a baby. That's what the birth of a baby. That's what postpartum means. So that term postpartum means. So that term postpartum means. So that term postpartum doesn't necessarily mean that postpartum doesn't necessarily mean that postpartum doesn't necessarily mean that you know it's the person that's you know it's the person that's you know it's the person that's delivered the baby. It just means this delivered the baby. It just means this delivered the baby. It just means this is the time period after birth. And is the time period after birth. And is the time period after birth. And there's some evidence that dad's there's some evidence that dad's there's some evidence that dad's prevalence rate for depression, so in prevalence rate for depression, so in prevalence rate for depression, so in new dads, it's about twice that of the new dads, it's about twice that of the new dads, it's about twice that of the general population. So if you look at general population. So if you look at general population. So if you look at non-fathering men, they have about half non-fathering men, they have about half non-fathering men, they have about half the risk of depression as new dads. So the risk of depression as new dads. So the risk of depression as new dads. So there's a big uptick in depression risk. there's a big uptick in depression risk. there's a big uptick in depression risk. That doesn't mean that every new dad is That doesn't mean that every new dad is That doesn't mean that every new dad is depressed. And new dads have lower depressed. And new dads have lower depressed. And new dads have lower depression rates than new moms, just to depression rates than new moms, just to depression rates than new moms, just to be clear. But it's also not a be clear. But it's also not a be clear. But it's also not a competition. It's not a zero- sum game.

competition. It's not a zero- sum game. competition. It's not a zero- sum game. And I think there can be a lot of And I think there can be a lot of And I think there can be a lot of constrnation understandably from moms constrnation understandably from moms constrnation understandably from moms who feel like we have fought for the who feel like we have fought for the who feel like we have fought for the term postpartum depression to be widely term postpartum depression to be widely term postpartum depression to be widely recognized by the medical community. recognized by the medical community. recognized by the medical community. We've advocated for this. Now that we've We've advocated for this. Now that we've We've advocated for this. Now that we've succeeded, men are sort of trying to succeeded, men are sort of trying to succeeded, men are sort of trying to take it over. And I'm sympathetic to take it over. And I'm sympathetic to take it over. And I'm sympathetic to that argument. And a lot of moms have that argument. And a lot of moms have that argument. And a lot of moms have said, "Why don't we call it paranatal said, "Why don't we call it paranatal said, "Why don't we call it paranatal depression?" Fine. I think that's depression?" Fine. I think that's depression?" Fine. I think that's totally okay. Parinatal just means totally okay. Parinatal just means totally okay. Parinatal just means around the birth of a baby. And that's around the birth of a baby. And that's around the birth of a baby. And that's legitimate, too. But if you think about legitimate, too. But if you think about legitimate, too. But if you think about what are the risk factors for what are the risk factors for what are the risk factors for depression, either in moms or in dads, depression, either in moms or in dads, depression, either in moms or in dads, like in, you know, the period following like in, you know, the period following like in, you know, the period following a baby's birth, it's a combination of a baby's birth, it's a combination of a baby's birth, it's a combination of factors. It's multi-etermined, it's factors. It's multi-etermined, it's factors. It's multi-etermined, it's hormone changes, it's sleep changes, hormone changes, it's sleep changes, hormone changes, it's sleep changes, it's identity changes, it's relationship it's identity changes, it's relationship it's identity changes, it's relationship changes, like relationship conflict, changes, like relationship conflict, changes, like relationship conflict, changes to, you know, how you show up at changes to, you know, how you show up at changes to, you know, how you show up at work, to your extended family. it can work, to your extended family. it can work, to your extended family. it can reawaken childhood traumas that were reawaken childhood traumas that were reawaken childhood traumas that were unresolved about how you yourself were unresolved about how you yourself were unresolved about how you yourself were parented. So all of those things are parented. So all of those things are parented. So all of those things are coming to the four and you're coming to the four and you're coming to the four and you're preoccupied by what can be very preoccupied by what can be very preoccupied by what can be very isolating and repetitive care for a isolating and repetitive care for a isolating and repetitive care for a young baby and it creates kind of a young baby and it creates kind of a young baby and it creates kind of a perfect storm of mental health risk.

perfect storm of mental health risk. perfect storm of mental health risk. >> You've um you've you've studied cortisol >> You've um you've you've studied cortisol >> You've um you've you've studied cortisol changes um in couples, right? changes um in couples, right? changes um in couples, right? >> Yeah. >> Yeah. >> Yeah. >> And how they and how their their >> And how they and how their their >> And how they and how their their cortisol interacts with each other. Is cortisol interacts with each other. Is cortisol interacts with each other. Is there a biological divorce predictor in there a biological divorce predictor in there a biological divorce predictor in terms of a specific way a couple's terms of a specific way a couple's terms of a specific way a couple's cortisol syncs up or clashes in that cortisol syncs up or clashes in that cortisol syncs up or clashes in that sort of first year of parenting that sort of first year of parenting that sort of first year of parenting that tells you if their marriage is going to tells you if their marriage is going to tells you if their marriage is going to fail before they realize it themselves? fail before they realize it themselves? fail before they realize it themselves? >> Yeah. So, I have looked at cortisol >> Yeah. So, I have looked at cortisol >> Yeah. So, I have looked at cortisol interconnection in my lab between interconnection in my lab between interconnection in my lab between couples. So, how cortisol levels become couples. So, how cortisol levels become couples. So, how cortisol levels become correlated over time. I found that when correlated over time. I found that when correlated over time. I found that when couples had really strongly linked couples had really strongly linked couples had really strongly linked levels of cortisol, they reported lower levels of cortisol, they reported lower levels of cortisol, they reported lower marital satisfaction. And you'd think marital satisfaction. And you'd think marital satisfaction. And you'd think like, okay, they've got more similar like, okay, they've got more similar like, okay, they've got more similar hormones, that's probably a good thing. hormones, that's probably a good thing. hormones, that's probably a good thing. We found the opposite in our lab. And I We found the opposite in our lab. And I We found the opposite in our lab. And I think it's because you don't actually think it's because you don't actually think it's because you don't actually want to be contagious to other people's want to be contagious to other people's want to be contagious to other people's stress. When one person is really stress. When one person is really stress. When one person is really stressed, it's helpful to have a partner stressed, it's helpful to have a partner stressed, it's helpful to have a partner who can modulate that, who can calm you who can modulate that, who can calm you who can modulate that, who can calm you down. So you don't necessarily want to down. So you don't necessarily want to down. So you don't necessarily want to be exacerbating like amplifying the be exacerbating like amplifying the be exacerbating like amplifying the stress state.

stress state. stress state. >> Interesting. This is fascinating. >> Interesting. This is fascinating. >> Interesting. This is fascinating. >> There are some other labs that have >> There are some other labs that have >> There are some other labs that have found that especially in a transition to found that especially in a transition to found that especially in a transition to parenthood context, more synchrony in parenthood context, more synchrony in parenthood context, more synchrony in cortisol can actually be a good thing if cortisol can actually be a good thing if cortisol can actually be a good thing if you're looking from prenatal to you're looking from prenatal to you're looking from prenatal to postpartum. postpartum. postpartum. >> But outside of child birth. >> But outside of child birth. >> But outside of child birth. >> Yes. So, this is interesting for me >> Yes. So, this is interesting for me >> Yes. So, this is interesting for me because I was having a conversation with because I was having a conversation with because I was having a conversation with someone the other day and she was someone the other day and she was someone the other day and she was telling me that she emotionally is a telling me that she emotionally is a telling me that she emotionally is a little bit more variant than her little bit more variant than her little bit more variant than her partner. partner. partner. >> Yeah. >> Yeah. >> Yeah. >> And I was expressing a similar sentiment >> And I was expressing a similar sentiment >> And I was expressing a similar sentiment saying that I think actually the reason saying that I think actually the reason saying that I think actually the reason why my relationship works with my why my relationship works with my why my relationship works with my fianceé Melanie is because fianceé Melanie is because fianceé Melanie is because >> Mel is a little bit emotionally variant >> Mel is a little bit emotionally variant >> Mel is a little bit emotionally variant and I'm kind of the like prefrontal and I'm kind of the like prefrontal and I'm kind of the like prefrontal cortex sounding board cortex sounding board cortex sounding board >> that kind of brings us back down. Yeah. >> that kind of brings us back down. Yeah. >> that kind of brings us back down. Yeah. >> So her emotional variance is super >> So her emotional variance is super >> So her emotional variance is super useful because she's almost like a useful because she's almost like a useful because she's almost like a threat detector threat detector threat detector >> in every regard. So if our relationship >> in every regard. So if our relationship >> in every regard. So if our relationship is drifting a little bit or if we're is drifting a little bit or if we're is drifting a little bit or if we're just she'll she'll know fast. just she'll she'll know fast. just she'll she'll know fast. >> Whereas I take a little bit more time to >> Whereas I take a little bit more time to >> Whereas I take a little bit more time to like to sort of have empathy to these like to sort of have empathy to these like to sort of have empathy to these kinds of like shifts in our kinds of like shifts in our kinds of like shifts in our relationship. She's like very in in relationship. She's like very in in relationship. She's like very in in tune.

tune. tune. >> It's like a sixth sense she has. >> It's like a sixth sense she has. >> It's like a sixth sense she has. >> Yeah. >> Yeah. >> Yeah. >> However, sometimes that can mean some >> However, sometimes that can mean some >> However, sometimes that can mean some things are harder to deal with things are harder to deal with things are harder to deal with >> and maybe she's more prone to worry >> and maybe she's more prone to worry >> and maybe she's more prone to worry sometimes. Mhm. sometimes. Mhm. sometimes. Mhm. >> And I' I've often felt actually because >> And I' I've often felt actually because >> And I' I've often felt actually because she's expressed this to me, she's she's expressed this to me, she's she's expressed this to me, she's expressed the gratitude of me being able expressed the gratitude of me being able expressed the gratitude of me being able to like bring her back to a place of to like bring her back to a place of to like bring her back to a place of calm. calm. calm. >> Yeah. >> Yeah. >> Yeah. >> I've often felt that that's kind of like >> I've often felt that that's kind of like >> I've often felt that that's kind of like my job. my job. my job. >> Yeah. >> Yeah. >> Yeah. >> And I've often thought that that our >> And I've often thought that that our >> And I've often thought that that our relationship works because you do have relationship works because you do have relationship works because you do have two different types of people. two different types of people. two different types of people. >> Yeah. >> Yeah. >> Yeah. >> And actually, this is not a plug, but >> And actually, this is not a plug, but >> And actually, this is not a plug, but I'm an investor in a company called I'm an investor in a company called I'm an investor in a company called Whoop. Whoop. Whoop. >> And um on there they have the um stress >> And um on there they have the um stress >> And um on there they have the um stress measure. Again, it's not a perfect measure. Again, it's not a perfect measure. Again, it's not a perfect measure and nothing is a perfect measure and nothing is a perfect measure and nothing is a perfect measure, but I was looking at our measure, but I was looking at our measure, but I was looking at our differences in in the stress response differences in in the stress response differences in in the stress response according to Whoop on the devices. Yeah. according to Whoop on the devices. Yeah. according to Whoop on the devices. Yeah. >> And mine is very stable and hers is much >> And mine is very stable and hers is much >> And mine is very stable and hers is much more unstable, more unstable, more unstable, >> right? >> right? >> right? >> But I I imagine that opposite's >> But I I imagine that opposite's >> But I I imagine that opposite's attracted in this regard. attracted in this regard. attracted in this regard. >> Yeah. I mean, it's interesting because >> Yeah. I mean, it's interesting because >> Yeah. I mean, it's interesting because you could think if you were paired with you could think if you were paired with you could think if you were paired with somebody who was super stable, life somebody who was super stable, life somebody who was super stable, life might feel boring. If she was paired might feel boring. If she was paired might feel boring. If she was paired with somebody who was really volatile, with somebody who was really volatile, with somebody who was really volatile, life might feel too chaotic. So we life might feel too chaotic. So we life might feel too chaotic. So we frequently are drawn to people who frequently are drawn to people who frequently are drawn to people who compliment something about ourselves and compliment something about ourselves and compliment something about ourselves and who are sort of different enough that it who are sort of different enough that it who are sort of different enough that it can sort of expand our worldview. And I can sort of expand our worldview. And I can sort of expand our worldview. And I I worked with a couple's therapist. This I worked with a couple's therapist. This I worked with a couple's therapist. This is sort of his theory that it's often is sort of his theory that it's often is sort of his theory that it's often the differences that drive us together the differences that drive us together the differences that drive us together that can ultimately polarize us when that can ultimately polarize us when that can ultimately polarize us when things go ary. So you can imagine a things go ary. So you can imagine a things go ary. So you can imagine a future where she's always the emotional

future where she's always the emotional future where she's always the emotional one and you're always the calm one and one and you're always the calm one and one and you're always the calm one and nobody gets a chance to break out of nobody gets a chance to break out of nobody gets a chance to break out of that and that becomes really entrenched that and that becomes really entrenched that and that becomes really entrenched in a way that like pulls you apart. But in a way that like pulls you apart. But in a way that like pulls you apart. But you could also imagine a future where you could also imagine a future where you could also imagine a future where you meet in the middle. you meet in the middle. you meet in the middle. >> Yeah. >> Yeah. >> Yeah. >> Like you become more emotionally >> Like you become more emotionally >> Like you become more emotionally attuned. attuned. attuned. >> Yeah. >> Yeah. >> Yeah. >> And she becomes calmer and more stable. >> And she becomes calmer and more stable. >> And she becomes calmer and more stable. >> Yeah. >> Yeah. >> Yeah. >> And that's sort of the ideal, right? >> And that's sort of the ideal, right? >> And that's sort of the ideal, right? That's what you want is you want to you That's what you want is you want to you That's what you want is you want to you want to be joining around those want to be joining around those want to be joining around those differences. differences. differences. >> I would say that's definitely what's >> I would say that's definitely what's >> I would say that's definitely what's happened. happened. happened. >> Yeah. So that's good. So, it's a good >> Yeah. So that's good. So, it's a good >> Yeah. So that's good. So, it's a good sign for your relationship. sign for your relationship. sign for your relationship. >> Yeah. >> Yeah. >> Yeah. >> Time to have a kid, >> Time to have a kid, >> Time to have a kid, >> I think. So, >> I think. So, >> I think. So, >> yeah, >> yeah, >> yeah, >> I'm trying. >> I'm trying. >> I'm trying. >> Good. [laughter] >> Good. [laughter] >> Good. [laughter] >> We froze our embryos. >> We froze our embryos. >> We froze our embryos. >> Excellent. >> Excellent. >> Excellent. >> So, we've got them in the freezer. >> So, we've got them in the freezer. >> So, we've got them in the freezer. >> Fantastic. >> Fantastic. >> Fantastic. >> Which is an really interesting process. >> Which is an really interesting process. >> Which is an really interesting process. I think this is probably worth spending I think this is probably worth spending I think this is probably worth spending some time on because I think I was some time on because I think I was some time on because I think I was living under the assumption that like in living under the assumption that like in living under the assumption that like in my early 30s, I could just sort of my early 30s, I could just sort of my early 30s, I could just sort of decide when to have a kid and I could decide when to have a kid and I could decide when to have a kid and I could just, you know, have sex during that just, you know, have sex during that just, you know, have sex during that little window they talk about where little window they talk about where little window they talk about where she's ovulating and the kids would she's ovulating and the kids would she's ovulating and the kids would appear. It's not necessarily how it appear. It's not necessarily how it appear. It's not necessarily how it works. Yeah. works. Yeah. works. Yeah. >> Turns out. >> Turns out. >> Turns out. >> No, it's actually a little trickier. >> No, it's actually a little trickier. >> No, it's actually a little trickier. It's trickier than I expected. It's trickier than I expected. It's trickier than I expected. >> There's actually a chapter in the book >> There's actually a chapter in the book >> There's actually a chapter in the book where I talk about paternity where I talk about paternity where I talk about paternity uncertainty. One of the things that's uncertainty. One of the things that's uncertainty. One of the things that's really unique and interesting about really unique and interesting about really unique and interesting about humans is we conceal our ovulation.

humans is we conceal our ovulation. humans is we conceal our ovulation. So that makes us different from a lot of So that makes us different from a lot of So that makes us different from a lot of other animals where when a female is other animals where when a female is other animals where when a female is fertile, you know, because she changes fertile, you know, because she changes fertile, you know, because she changes color, she starts dancing in a certain color, she starts dancing in a certain color, she starts dancing in a certain way, she smells different, right? Like way, she smells different, right? Like way, she smells different, right? Like there are all these really obvious cues there are all these really obvious cues there are all these really obvious cues and as a result, males sort of know and as a result, males sort of know and as a result, males sort of know exactly what window to jump in on. And exactly what window to jump in on. And exactly what window to jump in on. And because we conceal our ovulation as because we conceal our ovulation as because we conceal our ovulation as humans, it's always a little bit murky. humans, it's always a little bit murky. humans, it's always a little bit murky. >> Why do we do that? >> Why do we do that? >> Why do we do that? >> For one thing, it encourages pair >> For one thing, it encourages pair >> For one thing, it encourages pair bonding because you can't just as a man bonding because you can't just as a man bonding because you can't just as a man like just show up like the one day that like just show up like the one day that like just show up like the one day that it's time to cause a pregnancy and then it's time to cause a pregnancy and then it's time to cause a pregnancy and then take off. take off. take off. >> So you have to court a woman, you have a >> So you have to court a woman, you have a >> So you have to court a woman, you have a lot of you need a lot of repeated lot of you need a lot of repeated lot of you need a lot of repeated opportunities. So if a man actually opportunities. So if a man actually opportunities. So if a man actually wants to cause pregnancy, he's much wants to cause pregnancy, he's much wants to cause pregnancy, he's much better off sticking with one woman and better off sticking with one woman and better off sticking with one woman and really investing in that relationship really investing in that relationship really investing in that relationship than he is like going out every night to than he is like going out every night to than he is like going out every night to find a different lady. We form stable find a different lady. We form stable find a different lady. We form stable monogous relationships because that's monogous relationships because that's monogous relationships because that's actually adaptive for spreading our actually adaptive for spreading our actually adaptive for spreading our genetic material and it also reduces genetic material and it also reduces genetic material and it also reduces aggression. So there's one theory that aggression. So there's one theory that aggression. So there's one theory that it reduces rivalry between women. If you it reduces rivalry between women. If you it reduces rivalry between women. If you know that one of the ladies in your know that one of the ladies in your know that one of the ladies in your group is fertile and you have it out for group is fertile and you have it out for group is fertile and you have it out for her, you want to take her out during her her, you want to take her out during her her, you want to take her out during her fertile period, right? So, concealing fertile period, right? So, concealing fertile period, right? So, concealing ovulation actually reduces that rivalry, ovulation actually reduces that rivalry, ovulation actually reduces that rivalry, that aggression.

that aggression. that aggression. >> Okay. >> Okay. >> Okay. >> Um, it also makes everybody a little bit >> Um, it also makes everybody a little bit >> Um, it also makes everybody a little bit more invested in babies because no man more invested in babies because no man more invested in babies because no man knows exactly who's caused which knows exactly who's caused which knows exactly who's caused which pregnancies. And as a result, everybody pregnancies. And as a result, everybody pregnancies. And as a result, everybody has a little bit of an altruistic stake has a little bit of an altruistic stake has a little bit of an altruistic stake in the future of our children. in the future of our children. in the future of our children. >> Do you I'm not sure if this is an area >> Do you I'm not sure if this is an area >> Do you I'm not sure if this is an area of research you've covered, but and of research you've covered, but and of research you've covered, but and maybe I'm asking for a friend here. maybe I'm asking for a friend here. maybe I'm asking for a friend here. >> Yeah. >> Yeah. >> Yeah. >> Do you know what increases the >> Do you know what increases the >> Do you know what increases the probability of conceiving a child? Cuz I probability of conceiving a child? Cuz I probability of conceiving a child? Cuz I think about this a lot in terms of think about this a lot in terms of think about this a lot in terms of stress and feeling comfortable and all stress and feeling comfortable and all stress and feeling comfortable and all these kinds of things. Like I'm often these kinds of things. Like I'm often these kinds of things. Like I'm often thinking about like don't argue with thinking about like don't argue with thinking about like don't argue with her, keep her safe, make her feel really her, keep her safe, make her feel really her, keep her safe, make her feel really secure. secure. secure. >> Yeah. I mean, I think those are all good >> Yeah. I mean, I think those are all good >> Yeah. I mean, I think those are all good instincts. instincts. instincts. >> Is there research on this? There is >> Is there research on this? There is >> Is there research on this? There is research on reducing stress for sure, research on reducing stress for sure, research on reducing stress for sure, right? Like we know that stress makes it right? Like we know that stress makes it right? Like we know that stress makes it harder to conceive. Of course, the last harder to conceive. Of course, the last harder to conceive. Of course, the last thing you want to tell someone who's thing you want to tell someone who's thing you want to tell someone who's struggling to conceive is reduce stress struggling to conceive is reduce stress struggling to conceive is reduce stress because that's so invalidating because because that's so invalidating because because that's so invalidating because you're like, I'm stressed about how hard you're like, I'm stressed about how hard you're like, I'm stressed about how hard it is to conceive. Like don't, you know, it is to conceive. Like don't, you know, it is to conceive. Like don't, you know, telling somebody be less stressed is telling somebody be less stressed is telling somebody be less stressed is frequently not that helpful. But I think frequently not that helpful. But I think frequently not that helpful. But I think your intuition is right that you your intuition is right that you your intuition is right that you probably want to make the environment probably want to make the environment probably want to make the environment calmer and safer. And you know, like you calmer and safer. And you know, like you calmer and safer. And you know, like you can optimize nutrition. There's a lot can optimize nutrition. There's a lot can optimize nutrition. There's a lot you can do, but there's also a lot that you can do, but there's also a lot that you can do, but there's also a lot that is, you know, not up to you and is, you know, not up to you and is, you know, not up to you and sometimes more intervention is needed.

sometimes more intervention is needed. sometimes more intervention is needed. >> What advice would you have for new >> What advice would you have for new >> What advice would you have for new fathers? fathers? fathers? >> This is kind of like one of the themes >> This is kind of like one of the themes >> This is kind of like one of the themes of my book. Great fathers are made not of my book. Great fathers are made not of my book. Great fathers are made not born. You might feel like you don't have born. You might feel like you don't have born. You might feel like you don't have the qualities to become an amazing dad, the qualities to become an amazing dad, the qualities to become an amazing dad, but it's really about your time, your but it's really about your time, your but it's really about your time, your investment, the practice that you get, investment, the practice that you get, investment, the practice that you get, and the extent that you care. That is and the extent that you care. That is and the extent that you care. That is going to shape you. It's going to build going to shape you. It's going to build going to shape you. It's going to build a brain and it's going to build a body a brain and it's going to build a body a brain and it's going to build a body that will make you a tuned-in parent. that will make you a tuned-in parent. that will make you a tuned-in parent. You know, give yourself grace. Like the You know, give yourself grace. Like the You know, give yourself grace. Like the transition to parenthood can be really transition to parenthood can be really transition to parenthood can be really challenging, but you can become an challenging, but you can become an challenging, but you can become an expert in your own child and there is a expert in your own child and there is a expert in your own child and there is a reward there. You will find enrichment. reward there. You will find enrichment. reward there. You will find enrichment. You will find meaning. You will You will find meaning. You will You will find meaning. You will rediscover your priorities in a way that rediscover your priorities in a way that rediscover your priorities in a way that will ultimately bring a lot of value. will ultimately bring a lot of value. will ultimately bring a lot of value. I talk to new founders, they all carry I talk to new founders, they all carry I talk to new founders, they all carry the same belief that the biggest threat the same belief that the biggest threat the same belief that the biggest threat to their small business is having a bad to their small business is having a bad to their small business is having a bad product. It's not the biggest threat product. It's not the biggest threat product. It's not the biggest threat they face is hiring the wrong person for they face is hiring the wrong person for they face is hiring the wrong person for their small team. Because bad hires put their small team. Because bad hires put their small team. Because bad hires put the handbreak on growth and rapidly the handbreak on growth and rapidly the handbreak on growth and rapidly infect company culture. And I get it.

infect company culture. And I get it. infect company culture. And I get it. When you're starting out, you need a When you're starting out, you need a When you're starting out, you need a players to grow your company, but you players to grow your company, but you players to grow your company, but you don't have 40 spare hours to spend don't have 40 spare hours to spend don't have 40 spare hours to spend sifting through interviews. So, you hire sifting through interviews. So, you hire sifting through interviews. So, you hire fast to fill the seat, but this ends up fast to fill the seat, but this ends up fast to fill the seat, but this ends up costing you even more in the long term. costing you even more in the long term. costing you even more in the long term. What any small business actually needs What any small business actually needs What any small business actually needs is a reliable and efficient way to find is a reliable and efficient way to find is a reliable and efficient way to find the right talent without stalling the right talent without stalling the right talent without stalling momentum. That's where our long-term momentum. That's where our long-term momentum. That's where our long-term sponsor LinkedIn and LinkedIn Hiring Pro sponsor LinkedIn and LinkedIn Hiring Pro sponsor LinkedIn and LinkedIn Hiring Pro can help you. It streamlines the entire can help you. It streamlines the entire can help you. It streamlines the entire hiring process from drafting a job hiring process from drafting a job hiring process from drafting a job description to shortlisting candidates description to shortlisting candidates description to shortlisting candidates and conducting AI powered interviews for and conducting AI powered interviews for and conducting AI powered interviews for initial screenings. Nearly 60% of hirers initial screenings. Nearly 60% of hirers initial screenings. Nearly 60% of hirers who've used this tool have found a who've used this tool have found a who've used this tool have found a candidate to interview within a week. candidate to interview within a week. candidate to interview within a week. Hire right the first time around and get Hire right the first time around and get Hire right the first time around and get started by posting your first job for started by posting your first job for started by posting your first job for free at linkedin.com/doac. free at linkedin.com/doac. free at linkedin.com/doac. That's linkedin.com/doac. That's linkedin.com/doac. That's linkedin.com/doac. And terms and conditions apply. There And terms and conditions apply. There And terms and conditions apply. There should be a button just down below here. should be a button just down below here. should be a button just down below here. And if it says subscribed, you're And if it says subscribed, you're And if it says subscribed, you're already subscribed. If it says already subscribed. If it says already subscribed. If it says subscriber, that means you're not yet. subscriber, that means you're not yet. subscriber, that means you're not yet. And if you're not subscribed, please And if you're not subscribed, please And if you're not subscribed, please could you do us a favor and hit that could you do us a favor and hit that could you do us a favor and hit that button? It helps the show more than you button? It helps the show more than you button? It helps the show more than you know. And according to the algorithm, know. And according to the algorithm, know. And according to the algorithm, you're someone that watches our show, you're someone that watches our show, you're someone that watches our show, but you haven't yet hit that button. but you haven't yet hit that button. but you haven't yet hit that button. Thank you so much.

Thank you so much. Thank you so much. >> Well, you've done so many studies. >> Well, you've done so many studies. >> Well, you've done so many studies. >> Yeah, probably too many. >> Yeah, probably too many. >> Yeah, probably too many. >> What is it? What are the studies that we >> What is it? What are the studies that we >> What is it? What are the studies that we haven't talked about that are most uh haven't talked about that are most uh haven't talked about that are most uh >> were most formative or surprising for >> were most formative or surprising for >> were most formative or surprising for you? you? you? >> We did a study where we looked at coup's >> We did a study where we looked at coup's >> We did a study where we looked at coup's plans for how they wanted to divide up plans for how they wanted to divide up plans for how they wanted to divide up baby care. baby care. baby care. >> Yeah. >> Yeah. >> Yeah. >> So, we gave them this questionnaire that >> So, we gave them this questionnaire that >> So, we gave them this questionnaire that we called a who does what where they we called a who does what where they we called a who does what where they were given 10 common baby care tasks were given 10 common baby care tasks were given 10 common baby care tasks like changing diapers, feeding a bottle, like changing diapers, feeding a bottle, like changing diapers, feeding a bottle, and they indicated on a slider how much and they indicated on a slider how much and they indicated on a slider how much mom was going to do and how much dad was mom was going to do and how much dad was mom was going to do and how much dad was going to do. And then we brought them going to do. And then we brought them going to do. And then we brought them back into the lab about six months after back into the lab about six months after back into the lab about six months after birth. We had them do the same scale. birth. We had them do the same scale. birth. We had them do the same scale. And it was really interesting because And it was really interesting because And it was really interesting because couples weren't actually great couples weren't actually great couples weren't actually great predictors of how much dad was going to predictors of how much dad was going to predictors of how much dad was going to do. So every single couple expected dad do. So every single couple expected dad do. So every single couple expected dad would do more before birth than dad was would do more before birth than dad was would do more before birth than dad was actually doing after birth. And there actually doing after birth. And there actually doing after birth. And there are a lot of reasons for that. That are a lot of reasons for that. That are a lot of reasons for that. That doesn't mean that anybody's a villain. doesn't mean that anybody's a villain. doesn't mean that anybody's a villain. It just means maybe mom got more time It just means maybe mom got more time It just means maybe mom got more time off from work. Maybe she was off from work. Maybe she was off from work. Maybe she was breastfeeding and so the baby, you know, breastfeeding and so the baby, you know, breastfeeding and so the baby, you know, she was she was with the baby more, she was she was with the baby more, she was she was with the baby more, right? Like there are a lot of reasons right? Like there are a lot of reasons right? Like there are a lot of reasons why that is the case, but we found that why that is the case, but we found that why that is the case, but we found that when dads were doing more, they reported when dads were doing more, they reported when dads were doing more, they reported that they were happier in their couple that they were happier in their couple that they were happier in their couple relationship. But one thing we looked at relationship. But one thing we looked at relationship. But one thing we looked at actually was how moms and dads talked actually was how moms and dads talked actually was how moms and dads talked about how they wanted to divvy up baby about how they wanted to divvy up baby about how they wanted to divvy up baby care. We measured how many times did care. We measured how many times did care. We measured how many times did they say the pronoun we compared to when they say the pronoun we compared to when they say the pronoun we compared to when you use the pronoun I where you're you use the pronoun I where you're you use the pronoun I where you're talking about yourself. When you're talking about yourself. When you're talking about yourself. When you're using we, you're talking about, you using we, you're talking about, you using we, you're talking about, you know, you and your partner, the more know, you and your partner, the more know, you and your partner, the more weness the dads were showing, the more

weness the dads were showing, the more weness the dads were showing, the more happy they were in their relationship happy they were in their relationship happy they were in their relationship after birth. So, their investment, their after birth. So, their investment, their after birth. So, their investment, their willingness to chip in, even if they willingness to chip in, even if they willingness to chip in, even if they didn't totally realize all their plans, didn't totally realize all their plans, didn't totally realize all their plans, was still linked with their was still linked with their was still linked with their satisfaction. And that was controlling satisfaction. And that was controlling satisfaction. And that was controlling for how they felt about their partner for how they felt about their partner for how they felt about their partner before birth. And it's a little before birth. And it's a little before birth. And it's a little counterintuitive because you might counterintuitive because you might counterintuitive because you might think, you know, if you get to sit back think, you know, if you get to sit back think, you know, if you get to sit back and relax and your partner is doing and relax and your partner is doing and relax and your partner is doing more, that's a winning strategy. more, that's a winning strategy. more, that's a winning strategy. >> But it was actually the dads that did >> But it was actually the dads that did >> But it was actually the dads that did more who told us they were happier. more who told us they were happier. more who told us they were happier. >> If all goes well, next year I will be a >> If all goes well, next year I will be a >> If all goes well, next year I will be a dad. dad. dad. >> I hope so. >> I hope so. >> I hope so. >> I hope so, too. >> I hope so, too. >> I hope so, too. >> Yeah. >> Yeah. >> Yeah. >> So, I've written on this sort of slide >> So, I've written on this sort of slide >> So, I've written on this sort of slide in front of me here, advice for Steven. in front of me here, advice for Steven. in front of me here, advice for Steven. And I would like you to give me some And I would like you to give me some And I would like you to give me some advice, some actionable advice on, you advice, some actionable advice on, you advice, some actionable advice on, you know, becoming a father, what I need to know, becoming a father, what I need to know, becoming a father, what I need to do pre-post, during, do pre-post, during, do pre-post, during, >> yes, >> yes, >> yes, >> based on all the research that you have. >> based on all the research that you have. >> based on all the research that you have. >> And I'm going to write it down. >> And I'm going to write it down. >> And I'm going to write it down. >> Okay. So, first, take advantage of the >> Okay. So, first, take advantage of the >> Okay. So, first, take advantage of the window before birth. window before birth. window before birth. >> Yeah. >> Yeah. >> Yeah. >> To work on your communication with your >> To work on your communication with your >> To work on your communication with your partner. partner. partner. >> Think about how you want to divide up >> Think about how you want to divide up >> Think about how you want to divide up baby care. You know, a lot of the time baby care. You know, a lot of the time baby care. You know, a lot of the time people say, "We'll just wing it once the people say, "We'll just wing it once the people say, "We'll just wing it once the baby comes." And that can be a recipe baby comes." And that can be a recipe baby comes." And that can be a recipe for frustration cuz moms feel like for frustration cuz moms feel like for frustration cuz moms feel like they're doing everything. Dads feel like they're doing everything. Dads feel like they're doing everything. Dads feel like they're shut out from care. So, you they're shut out from care. So, you they're shut out from care. So, you know, have those conversations sooner.

know, have those conversations sooner. know, have those conversations sooner. >> So, have before the baby comes, have a >> So, have before the baby comes, have a >> So, have before the baby comes, have a conversation about how we're going to conversation about how we're going to conversation about how we're going to divy up responsibilities and make sure divy up responsibilities and make sure divy up responsibilities and make sure both people are clear. both people are clear. both people are clear. >> Exactly. And think about too like what >> Exactly. And think about too like what >> Exactly. And think about too like what are we going to do about our extended are we going to do about our extended are we going to do about our extended families? What religion do we want to families? What religion do we want to families? What religion do we want to raise our kids in? What do we think raise our kids in? What do we think raise our kids in? What do we think about education? Like if you haven't had about education? Like if you haven't had about education? Like if you haven't had those conversations about values, have those conversations about values, have those conversations about values, have them now them now them now >> because then I think you're going to >> because then I think you're going to >> because then I think you're going to ward off conflict that is going to crop ward off conflict that is going to crop ward off conflict that is going to crop up later on. Okay. The other thing is, up later on. Okay. The other thing is, up later on. Okay. The other thing is, and I would do this before birth too, and I would do this before birth too, and I would do this before birth too, build up your social support network. A build up your social support network. A build up your social support network. A lot of men's primary confidant, their lot of men's primary confidant, their lot of men's primary confidant, their primary intimate relationship is with primary intimate relationship is with primary intimate relationship is with their partner. After the baby comes, mom their partner. After the baby comes, mom their partner. After the baby comes, mom is really preoccupied and dads are like, is really preoccupied and dads are like, is really preoccupied and dads are like, "What about me?" So, you know, we know "What about me?" So, you know, we know "What about me?" So, you know, we know when we look at depression research that when we look at depression research that when we look at depression research that having a strong social support network having a strong social support network having a strong social support network is one of the best buffers. is one of the best buffers. is one of the best buffers. >> So, you want to be thinking, "What are >> So, you want to be thinking, "What are >> So, you want to be thinking, "What are my friendships that I can count on and my friendships that I can count on and my friendships that I can count on and who can help me?" We really need who can help me?" We really need who can help me?" We really need community support. So, think about how community support. So, think about how community support. So, think about how can my mom help? How can my friend help? can my mom help? How can my friend help? can my mom help? How can my friend help? And maybe like, you know, your brother's And maybe like, you know, your brother's And maybe like, you know, your brother's got his own kids. He's too busy to take got his own kids. He's too busy to take got his own kids. He's too busy to take yours, but he can help in some other yours, but he can help in some other yours, but he can help in some other way, right? Like, how do you plug the way, right? Like, how do you plug the way, right? Like, how do you plug the people into your life into what your people into your life into what your people into your life into what your social support needs might be?

social support needs might be? social support needs might be? >> I think a lot of people would cite this >> I think a lot of people would cite this >> I think a lot of people would cite this as being one of the reasons why they as being one of the reasons why they as being one of the reasons why they haven't had kids yet. Now, more so than haven't had kids yet. Now, more so than haven't had kids yet. Now, more so than ever, we don't live in communities. ever, we don't live in communities. ever, we don't live in communities. >> Yes. Now more so than ever, we are >> Yes. Now more so than ever, we are >> Yes. Now more so than ever, we are lonely, isolated, living in four small lonely, isolated, living in four small lonely, isolated, living in four small white walls in a city where we can white walls in a city where we can white walls in a city where we can barely pay our rent and we're struggling barely pay our rent and we're struggling barely pay our rent and we're struggling enough to take care of oursel. enough to take care of oursel. enough to take care of oursel. >> Um, our parents often live far away now >> Um, our parents often live far away now >> Um, our parents often live far away now because the we're living in such a because the we're living in such a because the we're living in such a globalized world. globalized world. globalized world. >> So feeling like you don't have the >> So feeling like you don't have the >> So feeling like you don't have the support around you to give birth when support around you to give birth when support around you to give birth when you're like scraping through in a job is you're like scraping through in a job is you're like scraping through in a job is it doesn't make a lot of logical sense it doesn't make a lot of logical sense it doesn't make a lot of logical sense as to why people won't choose to have as to why people won't choose to have as to why people won't choose to have children. children. children. >> Yeah, it's a huge problem and I think a >> Yeah, it's a huge problem and I think a >> Yeah, it's a huge problem and I think a lot of parents really struggle with lot of parents really struggle with lot of parents really struggle with feeling lonely and isolated. And so when feeling lonely and isolated. And so when feeling lonely and isolated. And so when I say, you know, like take the time I say, you know, like take the time I say, you know, like take the time before birth to build up your social before birth to build up your social before birth to build up your social support network, that doesn't just mean support network, that doesn't just mean support network, that doesn't just mean with your existing friendships and with your existing friendships and with your existing friendships and family, right? Like sometimes we end up family, right? Like sometimes we end up family, right? Like sometimes we end up far away from those people. It also far away from those people. It also far away from those people. It also means build community with other means build community with other means build community with other expectant parents, with your neighbors, expectant parents, with your neighbors, expectant parents, with your neighbors, right? Like we thrive when we build right? Like we thrive when we build right? Like we thrive when we build community. One nice thing about becoming community. One nice thing about becoming community. One nice thing about becoming a parent is there are a lot of a parent is there are a lot of a parent is there are a lot of mechanisms for doing that. There are mechanisms for doing that. There are mechanisms for doing that. There are many more for moms than there are for many more for moms than there are for many more for moms than there are for dads. So when I became a mom, I could go dads. So when I became a mom, I could go dads. So when I became a mom, I could go to breastfeeding support group. I could to breastfeeding support group. I could to breastfeeding support group. I could go to baby wearing support group. I go to baby wearing support group. I go to baby wearing support group. I could go like walk around the park with could go like walk around the park with could go like walk around the park with the Silver Lake Mom's Club. Like I had the Silver Lake Mom's Club. Like I had the Silver Lake Mom's Club. Like I had all these things to plug into. Dads did all these things to plug into. Dads did all these things to plug into. Dads did not have as many of those organic kind not have as many of those organic kind not have as many of those organic kind of community building structures of community building structures of community building structures available. So you know, take advantage available. So you know, take advantage available. So you know, take advantage of the ones that are there. I just of the ones that are there. I just of the ones that are there. I just talked to these guys that founded the talked to these guys that founded the talked to these guys that founded the Daddy Stroller Social Club. They've got

Daddy Stroller Social Club. They've got Daddy Stroller Social Club. They've got chapters all over the country. they just chapters all over the country. they just chapters all over the country. they just meet up and they go for stroller walks meet up and they go for stroller walks meet up and they go for stroller walks with their kids and it's like an amazing with their kids and it's like an amazing with their kids and it's like an amazing way for dads to connect with each other. way for dads to connect with each other. way for dads to connect with each other. So, so build that as much as you can. So, so build that as much as you can. So, so build that as much as you can. So, So, So, >> okay, that's number two. >> okay, that's number two. >> okay, that's number two. >> What do we say? So, build your friends, >> What do we say? So, build your friends, >> What do we say? So, build your friends, work on your couple relationship, think work on your couple relationship, think work on your couple relationship, think about how you want to balance things out about how you want to balance things out about how you want to balance things out when the baby does come. First of all, when the baby does come. First of all, when the baby does come. First of all, protect your sleep. That's really hard. protect your sleep. That's really hard. protect your sleep. That's really hard. Everyone says sleep when the baby Everyone says sleep when the baby Everyone says sleep when the baby sleeps. Your sleep is going to be sleeps. Your sleep is going to be sleeps. Your sleep is going to be totally scrambled. But when you have totally scrambled. But when you have totally scrambled. But when you have healthy routines and good sleep hygiene healthy routines and good sleep hygiene healthy routines and good sleep hygiene even before birth, you're going to fare even before birth, you're going to fare even before birth, you're going to fare better after birth. So, better after birth. So, better after birth. So, >> but I can hear parents screaming through >> but I can hear parents screaming through >> but I can hear parents screaming through the cameras saying easier said than the cameras saying easier said than the cameras saying easier said than done. Yeah, I'm not trying to gaslight done. Yeah, I'm not trying to gaslight done. Yeah, I'm not trying to gaslight anyone, but I think when you have a good anyone, but I think when you have a good anyone, but I think when you have a good foundation of healthy sleep hygiene, foundation of healthy sleep hygiene, foundation of healthy sleep hygiene, you're probably going to So, things like you're probably going to So, things like you're probably going to So, things like really obvious things like don't be on really obvious things like don't be on really obvious things like don't be on devices right before it's time to go to devices right before it's time to go to devices right before it's time to go to bed, like dim the lights, like make sure bed, like dim the lights, like make sure bed, like dim the lights, like make sure your room is the right temperature, like your room is the right temperature, like your room is the right temperature, like try to dial in your sleeping environment try to dial in your sleeping environment try to dial in your sleeping environment because the sleep is going to be the because the sleep is going to be the because the sleep is going to be the hardest thing, the first thing to go. hardest thing, the first thing to go. hardest thing, the first thing to go. bit of a paradox here that when you're I bit of a paradox here that when you're I bit of a paradox here that when you're I guess stressed or sleep deprived, we guess stressed or sleep deprived, we guess stressed or sleep deprived, we often reach for things that are often reach for things that are often reach for things that are >> dopamine dopamogenic I think the term is >> dopamine dopamogenic I think the term is >> dopamine dopamogenic I think the term is which is like foods that maybe are a which is like foods that maybe are a which is like foods that maybe are a little bit higher in um you know not the little bit higher in um you know not the little bit higher in um you know not the good stuff.

good stuff. good stuff. >> Yeah. Yeah. >> Yeah. Yeah. >> Yeah. Yeah. >> And this there's almost a paradox there. >> And this there's almost a paradox there. >> And this there's almost a paradox there. >> Yeah. It's a total vicious cycle for >> Yeah. It's a total vicious cycle for >> Yeah. It's a total vicious cycle for sure. And I would say like think about sure. And I would say like think about sure. And I would say like think about becoming a parent like you're preparing becoming a parent like you're preparing becoming a parent like you're preparing to run a marathon. You know, not to the to run a marathon. You know, not to the to run a marathon. You know, not to the point that you become totally neurotic point that you become totally neurotic point that you become totally neurotic about it, but think about being healthy, about it, but think about being healthy, about it, but think about being healthy, having things that are going to prepare having things that are going to prepare having things that are going to prepare your body for this big shakeup that your body for this big shakeup that your body for this big shakeup that you're going to undergo. And then once you're going to undergo. And then once you're going to undergo. And then once the baby comes, like take any the baby comes, like take any the baby comes, like take any opportunity to bond. Like I think a lot opportunity to bond. Like I think a lot opportunity to bond. Like I think a lot of men feel like I'm going to avoid as of men feel like I'm going to avoid as of men feel like I'm going to avoid as many diapers as possible. many diapers as possible. many diapers as possible. Changing diapers seems gross, but it's Changing diapers seems gross, but it's Changing diapers seems gross, but it's also a chance to make eye contact with also a chance to make eye contact with also a chance to make eye contact with your baby and like really get to know your baby and like really get to know your baby and like really get to know them in a different way. So, you know, them in a different way. So, you know, them in a different way. So, you know, jump into those baby care opportunities. jump into those baby care opportunities. jump into those baby care opportunities. Like find your own style and, you know, Like find your own style and, you know, Like find your own style and, you know, make sure like the more windows you have make sure like the more windows you have make sure like the more windows you have to bond, the better you're going to feel to bond, the better you're going to feel to bond, the better you're going to feel like you know your baby and the more like you know your baby and the more like you know your baby and the more confident you're going to be. And then I confident you're going to be. And then I confident you're going to be. And then I would say give yourself grace. like know would say give yourself grace. like know would say give yourself grace. like know that this is hard, know that it's that this is hard, know that it's that this is hard, know that it's temporary, and know that you are, you temporary, and know that you are, you temporary, and know that you are, you know, you're sacrificing in the short know, you're sacrificing in the short know, you're sacrificing in the short term for a lot of long-term benefit. term for a lot of long-term benefit. term for a lot of long-term benefit. >> One of the things that might be a little >> One of the things that might be a little >> One of the things that might be a little bit absent from this list is an effort bit absent from this list is an effort bit absent from this list is an effort towards holding my relationship together towards holding my relationship together towards holding my relationship together >> with my fiance.

>> with my fiance. >> with my fiance. >> Also important. I mean, that's part of >> Also important. I mean, that's part of >> Also important. I mean, that's part of what you want to do before the baby's what you want to do before the baby's what you want to do before the baby's born, right? You want to be shoring up born, right? You want to be shoring up born, right? You want to be shoring up the communication and having those hard the communication and having those hard the communication and having those hard conversations. conversations. conversations. >> The date night thing, you know, >> The date night thing, you know, >> The date night thing, you know, >> date night's probably going to be the >> date night's probably going to be the >> date night's probably going to be the first thing out the window. Yeah, that first thing out the window. Yeah, that first thing out the window. Yeah, that is a that is a thing that goes out the is a that is a thing that goes out the is a that is a thing that goes out the window. But you know what? One nice window. But you know what? One nice window. But you know what? One nice thing about newborns is they'll sleep thing about newborns is they'll sleep thing about newborns is they'll sleep pretty much anywhere. So, you know, when pretty much anywhere. So, you know, when pretty much anywhere. So, you know, when our babies were little, my husband and I our babies were little, my husband and I our babies were little, my husband and I would just like put the baby in a car would just like put the baby in a car would just like put the baby in a car seat and go eat in a nice restaurant. seat and go eat in a nice restaurant. seat and go eat in a nice restaurant. >> You know, it was like the last time we >> You know, it was like the last time we >> You know, it was like the last time we got to do that for a few years because got to do that for a few years because got to do that for a few years because once they start walking around, they're once they start walking around, they're once they start walking around, they're much less portable. much less portable. much less portable. >> So, like take advantage of some of the >> So, like take advantage of some of the >> So, like take advantage of some of the early baby stuff that you can do to early baby stuff that you can do to early baby stuff that you can do to travel and to make sure that you get travel and to make sure that you get travel and to make sure that you get out. out. out. >> That advice was all advice for me. Yeah. >> That advice was all advice for me. Yeah. >> That advice was all advice for me. Yeah. >> For Steven. >> For Steven. >> For Steven. >> Yeah. >> Yeah. >> Yeah. >> Would there be any different advice if >> Would there be any different advice if >> Would there be any different advice if my fiance was sat here and you were my fiance was sat here and you were my fiance was sat here and you were advising her? advising her? advising her? >> Oh, that would be fun. >> Oh, that would be fun. >> Oh, that would be fun. >> Yeah. >> Yeah. >> Yeah. >> Yeah. I mean, I would say that sort of >> Yeah. I mean, I would say that sort of >> Yeah. I mean, I would say that sort of giving yourself grace thing would go giving yourself grace thing would go giving yourself grace thing would go double, right? It's like know that double, right? It's like know that double, right? It's like know that Steven is going through a lot and then Steven is going through a lot and then Steven is going through a lot and then you need to know that she's going you need to know that she's going you need to know that she's going through a lot. Like her whole sense of through a lot. Like her whole sense of through a lot. Like her whole sense of self is going to be an upheaval because self is going to be an upheaval because self is going to be an upheaval because like we go through this thing, it's like we go through this thing, it's like we go through this thing, it's called metricance. There's also patra called metricance. There's also patra called metricance. There's also patra essence which is just the idea that essence which is just the idea that essence which is just the idea that becoming a parent kind of you know becoming a parent kind of you know becoming a parent kind of you know changes your priorities. It changes your changes your priorities. It changes your changes your priorities. It changes your sense of who you are. So she's going to sense of who you are. So she's going to sense of who you are. So she's going to go through a lot of transformation as go through a lot of transformation as go through a lot of transformation as you will and so sort of like hanging in you will and so sort of like hanging in you will and so sort of like hanging in with each other during that period of with each other during that period of with each other during that period of transformation is really fundamental transformation is really fundamental transformation is really fundamental like sometimes couples can grow apart or like sometimes couples can grow apart or like sometimes couples can grow apart or dads are jealous that the baby's getting

dads are jealous that the baby's getting dads are jealous that the baby's getting all the attention. He feels left out. all the attention. He feels left out. all the attention. He feels left out. Moms are frustrated that dad isn't doing Moms are frustrated that dad isn't doing Moms are frustrated that dad isn't doing more to help. Like all of those things more to help. Like all of those things more to help. Like all of those things can lead to conflict and you can know can lead to conflict and you can know can lead to conflict and you can know that those are going to be hot spots for that those are going to be hot spots for that those are going to be hot spots for conflict and try to talk your way conflict and try to talk your way conflict and try to talk your way through them even ahead of birth. through them even ahead of birth. through them even ahead of birth. >> Derby, what what's the um most important >> Derby, what what's the um most important >> Derby, what what's the um most important thing we haven't talked about that we thing we haven't talked about that we thing we haven't talked about that we should have talked about as it relates should have talked about as it relates should have talked about as it relates to your work for all the people that are to your work for all the people that are to your work for all the people that are listening now that have gotten this far listening now that have gotten this far listening now that have gotten this far in the conversation? in the conversation? in the conversation? >> Yeah, let's see. We didn't talk about >> Yeah, let's see. We didn't talk about >> Yeah, let's see. We didn't talk about dadbod. dadbod. dadbod. >> Dadbod, >> Dadbod, >> Dadbod, >> that's a fun topic. >> that's a fun topic. >> that's a fun topic. >> Okay, >> Okay, >> Okay, >> something we frequently joke about. We >> something we frequently joke about. We >> something we frequently joke about. We think about like Homer Simpson, but it's think about like Homer Simpson, but it's think about like Homer Simpson, but it's been found across both animal and human been found across both animal and human been found across both animal and human studies that males tend to gain weight studies that males tend to gain weight studies that males tend to gain weight when they become fathers. when they become fathers. when they become fathers. >> Is that just the cortisol in the lack of >> Is that just the cortisol in the lack of >> Is that just the cortisol in the lack of sleep? sleep? sleep? >> So, it's a mix of all the hormones. It's >> So, it's a mix of all the hormones. It's >> So, it's a mix of all the hormones. It's prolactin is a hormone we haven't talked prolactin is a hormone we haven't talked prolactin is a hormone we haven't talked much about, but that is rising, sleep much about, but that is rising, sleep much about, but that is rising, sleep deprivation, deprivation, deprivation, um changes in physical activity, changes um changes in physical activity, changes um changes in physical activity, changes in our diet, right, because of stress in our diet, right, because of stress in our diet, right, because of stress and some of the dietary choices that and some of the dietary choices that and some of the dietary choices that we're making. Like I joke in the book we're making. Like I joke in the book we're making. Like I joke in the book like my husband and I basically ate like my husband and I basically ate like my husband and I basically ate peanut butter pretzels from Trader Joe's peanut butter pretzels from Trader Joe's peanut butter pretzels from Trader Joe's like every day that our kids were like every day that our kids were like every day that our kids were babies. So, you know, a lot of stuff is babies. So, you know, a lot of stuff is babies. So, you know, a lot of stuff is happening all at once. It's kind of a happening all at once. It's kind of a happening all at once. It's kind of a perfect storm. And yet, you know, perfect storm. And yet, you know, perfect storm. And yet, you know, there's evidence even from animal models there's evidence even from animal models there's evidence even from animal models that you see weight changes around the that you see weight changes around the that you see weight changes around the transition to fatherhood.

transition to fatherhood. transition to fatherhood. >> These ones here. >> These ones here. >> These ones here. >> Yeah. Yeah. These are the tamarind >> Yeah. Yeah. These are the tamarind >> Yeah. Yeah. These are the tamarind monkeys. So, there was a study that monkeys. So, there was a study that monkeys. So, there was a study that looked at tamarind monkeys that were looked at tamarind monkeys that were looked at tamarind monkeys that were expecting offspring and um it fed them a expecting offspring and um it fed them a expecting offspring and um it fed them a standardized diet and it compared them standardized diet and it compared them standardized diet and it compared them to tamarind monkeys who didn't have to tamarind monkeys who didn't have to tamarind monkeys who didn't have partners that were expecting offspring. partners that were expecting offspring. partners that were expecting offspring. And they found that the expectant dads And they found that the expectant dads And they found that the expectant dads actually gained more weight even though actually gained more weight even though actually gained more weight even though they were eating the same diet as the they were eating the same diet as the they were eating the same diet as the comparison monkeys who weren't about to comparison monkeys who weren't about to comparison monkeys who weren't about to have a baby. And so there were these have a baby. And so there were these have a baby. And so there were these like body changes that happened even like body changes that happened even like body changes that happened even before birth in the male monkeys. before birth in the male monkeys. before birth in the male monkeys. >> Why would that be? >> Why would that be? >> Why would that be? >> It's probably adaptive. Like if you >> It's probably adaptive. Like if you >> It's probably adaptive. Like if you think about increasing your body size to think about increasing your body size to think about increasing your body size to be more imposing and to better ward off be more imposing and to better ward off be more imposing and to better ward off attacks from rivals. And you also want attacks from rivals. And you also want attacks from rivals. And you also want to buffer in case there's scarcity, to buffer in case there's scarcity, to buffer in case there's scarcity, right? Like you want extra fat. It looks right? Like you want extra fat. It looks right? Like you want extra fat. It looks less adaptive in a kind of modern less adaptive in a kind of modern less adaptive in a kind of modern context when we have a very obesogenic context when we have a very obesogenic context when we have a very obesogenic environment environment environment >> and you know you can start to see more >> and you know you can start to see more >> and you know you can start to see more cardio metabolic risk. But one thing I cardio metabolic risk. But one thing I cardio metabolic risk. But one thing I talk about in the book is women actually talk about in the book is women actually talk about in the book is women actually like a dadbot. Studies of single women like a dadbot. Studies of single women like a dadbot. Studies of single women have found that you know if you show have found that you know if you show have found that you know if you show them a series of body types the dadbot them a series of body types the dadbot them a series of body types the dadbot is the most popular. you know, sort of is the most popular. you know, sort of is the most popular. you know, sort of like a mildly, like a mildly, like a mildly, you know, kind of like uh lightly you know, kind of like uh lightly you know, kind of like uh lightly marbled male torso.

marbled male torso. marbled male torso. >> Lightly marbled torso. >> Lightly marbled torso. >> Lightly marbled torso. >> I don't know if you remember like the >> I don't know if you remember like the >> I don't know if you remember like the Ali Mirrors, the British singer who like Ali Mirrors, the British singer who like Ali Mirrors, the British singer who like did a big tone up at the gym and posted did a big tone up at the gym and posted did a big tone up at the gym and posted selfies, you know, he had like a 12-pack selfies, you know, he had like a 12-pack selfies, you know, he had like a 12-pack or something and all these women online or something and all these women online or something and all these women online were saying like, "We liked the before were saying like, "We liked the before were saying like, "We liked the before picture." picture." picture." >> So, you know, there's something to be >> So, you know, there's something to be >> So, you know, there's something to be said for said for said for win win win >> the reproductive signal of a dad bot. >> the reproductive signal of a dad bot. >> the reproductive signal of a dad bot. But part of it is if you show women But part of it is if you show women But part of it is if you show women torsos of different kinds of male body torsos of different kinds of male body torsos of different kinds of male body types, the the sort of dad bod is one types, the the sort of dad bod is one types, the the sort of dad bod is one that women say he's more likely to be a that women say he's more likely to be a that women say he's more likely to be a hands-on father. He's probably going to hands-on father. He's probably going to hands-on father. He's probably going to be more attentive. He's going to be more be more attentive. He's going to be more be more attentive. He's going to be more caring. And those are things that are caring. And those are things that are caring. And those are things that are really attractive to women. really attractive to women. really attractive to women. >> And that's proven by science. So if I go >> And that's proven by science. So if I go >> And that's proven by science. So if I go out and get a dad bod, you're telling me out and get a dad bod, you're telling me out and get a dad bod, you're telling me the science is says I'm going to be more the science is says I'm going to be more the science is says I'm going to be more attractive. attractive. attractive. >> Yeah. Go for it. Yeah. >> Yeah. Go for it. Yeah. >> Yeah. Go for it. Yeah. >> Okay. >> Okay. >> Okay. >> Yeah. Worth a shot. >> Yeah. Worth a shot. >> Yeah. Worth a shot. >> See what my fiance says. >> See what my fiance says. >> See what my fiance says. >> Yeah. [laughter] >> Yeah. [laughter] >> Yeah. [laughter] How much of your work has been How much of your work has been How much of your work has been influenced by this? influenced by this? influenced by this? >> Oh, this is my dad. So much of my work. >> Oh, this is my dad. So much of my work. >> Oh, this is my dad. So much of my work. My parents got divorced when I was nine My parents got divorced when I was nine My parents got divorced when I was nine and my dad became a solo parent to me and my dad became a solo parent to me and my dad became a solo parent to me and my brothers. Um, my parents and my brothers. Um, my parents and my brothers. Um, my parents ultimately worked out a joint custody ultimately worked out a joint custody ultimately worked out a joint custody schedule. So, we were one week with my schedule. So, we were one week with my schedule. So, we were one week with my dad, one week with my mom. We switched dad, one week with my mom. We switched dad, one week with my mom. We switched off every week as I was growing up. and off every week as I was growing up. and off every week as I was growing up. and he became a really great dad. Like he he became a really great dad. Like he he became a really great dad. Like he had a major learning curve. He wasn't a had a major learning curve. He wasn't a had a major learning curve. He wasn't a hands-on dad. He was like an 80s dad hands-on dad. He was like an 80s dad hands-on dad. He was like an 80s dad who, you know, showed up for the big who, you know, showed up for the big who, you know, showed up for the big stuff. But when he was alone with the stuff. But when he was alone with the stuff. But when he was alone with the four of us, he suddenly had to be the

four of us, he suddenly had to be the four of us, he suddenly had to be the guy making our meals, the guy helping us guy making our meals, the guy helping us guy making our meals, the guy helping us with our homework, the guy driving us to with our homework, the guy driving us to with our homework, the guy driving us to sports practice, he really rose to the sports practice, he really rose to the sports practice, he really rose to the occasion, and I'm still really close occasion, and I'm still really close occasion, and I'm still really close with him. with him. with him. >> How do you think that's influenced your >> How do you think that's influenced your >> How do you think that's influenced your your overarching mission and your focus your overarching mission and your focus your overarching mission and your focus on, you know, dads and parenting? Yeah. on, you know, dads and parenting? Yeah. on, you know, dads and parenting? Yeah. So, I've always been really interested So, I've always been really interested So, I've always been really interested in families and you know, they say like in families and you know, they say like in families and you know, they say like psychologists are always trying to fix psychologists are always trying to fix psychologists are always trying to fix the thing that went wrong in their the thing that went wrong in their the thing that went wrong in their lives. So, I'm probably like as someone lives. So, I'm probably like as someone lives. So, I'm probably like as someone who's interested in couples and families who's interested in couples and families who's interested in couples and families wanting to reverse like my own parents' wanting to reverse like my own parents' wanting to reverse like my own parents' divorce. But I also like seeing my dad divorce. But I also like seeing my dad divorce. But I also like seeing my dad be a great caregiver and then realizing be a great caregiver and then realizing be a great caregiver and then realizing how much parenting research is solely how much parenting research is solely how much parenting research is solely focused on moms makes me realize there's focused on moms makes me realize there's focused on moms makes me realize there's like a real gap in the literature. like, like a real gap in the literature. like, like a real gap in the literature. like, you know, men play a really important you know, men play a really important you know, men play a really important role in parenting and I think deserve a role in parenting and I think deserve a role in parenting and I think deserve a lot of recognition and respect for that. lot of recognition and respect for that. lot of recognition and respect for that. >> It's it's interesting that I I'd never >> It's it's interesting that I I'd never >> It's it's interesting that I I'd never heard before that there's really any heard before that there's really any heard before that there's really any changes that took place in a changes that took place in a changes that took place in a >> Yeah. >> Yeah. >> Yeah. >> man's brain when a man becomes a >> man's brain when a man becomes a >> man's brain when a man becomes a >> father. >> father. >> father. >> I mean, I think it's not something that >> I mean, I think it's not something that >> I mean, I think it's not something that gets talked about a lot, which is why I gets talked about a lot, which is why I gets talked about a lot, which is why I wanted to write about it.

wanted to write about it. wanted to write about it. >> But, you know, we are dynamic. We're >> But, you know, we are dynamic. We're >> But, you know, we are dynamic. We're plastic. We humans adapt. and becoming a plastic. We humans adapt. and becoming a plastic. We humans adapt. and becoming a parent is one of the biggest parent is one of the biggest parent is one of the biggest transformations that you can experience. transformations that you can experience. transformations that you can experience. >> Have you ever done any research on the >> Have you ever done any research on the >> Have you ever done any research on the impact that divorce has on children? impact that divorce has on children? impact that divorce has on children? >> Not a lot. No. Which is ironic cuz I am >> Not a lot. No. Which is ironic cuz I am >> Not a lot. No. Which is ironic cuz I am a child of divorce, but um there is some a child of divorce, but um there is some a child of divorce, but um there is some research about it and there's definitely research about it and there's definitely research about it and there's definitely some evidence that it can create some some evidence that it can create some some evidence that it can create some challenges for kids. challenges for kids. challenges for kids. >> And have you ever done any research on >> And have you ever done any research on >> And have you ever done any research on or do you have a view on whether humans or do you have a view on whether humans or do you have a view on whether humans are supposed to be monogamous? are supposed to be monogamous? are supposed to be monogamous? >> Well, okay. So the best way to describe >> Well, okay. So the best way to describe >> Well, okay. So the best way to describe humans is we're sort of monogamous with humans is we're sort of monogamous with humans is we're sort of monogamous with benefits. And you know, you can see that benefits. And you know, you can see that benefits. And you know, you can see that if you look at the difference in our if you look at the difference in our if you look at the difference in our body size, so like male humans are a body size, so like male humans are a body size, so like male humans are a little bit bigger than female humans, little bit bigger than female humans, little bit bigger than female humans, but they're not like twice as big. but they're not like twice as big. but they're not like twice as big. >> So like gorillas, male gorillas are way >> So like gorillas, male gorillas are way >> So like gorillas, male gorillas are way bigger than female gorillas. There's bigger than female gorillas. There's bigger than female gorillas. There's like a huge size differential. And you like a huge size differential. And you like a huge size differential. And you know that says that you know like the know that says that you know like the know that says that you know like the male gorilla model is one of like herum male gorilla model is one of like herum male gorilla model is one of like herum dominance right fully monogamous animals dominance right fully monogamous animals dominance right fully monogamous animals are exactly the same size like prairie v are exactly the same size like prairie v are exactly the same size like prairie v males and females are almost exactly the males and females are almost exactly the males and females are almost exactly the same size as each other. They have like same size as each other. They have like same size as each other. They have like no size differential. So that's like no size differential. So that's like no size differential. So that's like like real pair bonding.

like real pair bonding. like real pair bonding. >> So we're sort of like somewhere in >> So we're sort of like somewhere in >> So we're sort of like somewhere in between. There are a lot of societies between. There are a lot of societies between. There are a lot of societies with different models. You have with different models. You have with different models. You have polygamy, which is one man with lots of polygamy, which is one man with lots of polygamy, which is one man with lots of women. You have polyandri, which is more women. You have polyandri, which is more women. You have polyandri, which is more rare. That's one woman with lots of men. rare. That's one woman with lots of men. rare. That's one woman with lots of men. Only a few societies that have that Only a few societies that have that Only a few societies that have that model. But monogamy is actually the most model. But monogamy is actually the most model. But monogamy is actually the most common across lots of different cultures common across lots of different cultures common across lots of different cultures and societies. And I think it because and societies. And I think it because and societies. And I think it because it's it brings us some benefits in part it's it brings us some benefits in part it's it brings us some benefits in part because of the concealed ovulation piece because of the concealed ovulation piece because of the concealed ovulation piece that helps motivate men to be more that helps motivate men to be more that helps motivate men to be more invested in a single partner, but also invested in a single partner, but also invested in a single partner, but also because it generally is good for kids. because it generally is good for kids. because it generally is good for kids. What are you um what are you concerned What are you um what are you concerned What are you um what are you concerned about? about? about? >> I mean our future as a planet. >> I mean our future as a planet. >> I mean our future as a planet. [laughter] [laughter] [laughter] >> Which part of our future as a planet? >> Which part of our future as a planet? >> Which part of our future as a planet? >> So I I definitely am concerned about >> So I I definitely am concerned about >> So I I definitely am concerned about what we've been talking about the what we've been talking about the what we've been talking about the declining birth rate. declining birth rate. declining birth rate. >> I'm concerned not just because it >> I'm concerned not just because it >> I'm concerned not just because it portends problems, you know, in our portends problems, you know, in our portends problems, you know, in our future societies, but because it what it future societies, but because it what it future societies, but because it what it signals, I think about young people's signals, I think about young people's signals, I think about young people's hopefulness for the future, hopefulness for the future, hopefulness for the future, >> right? I think when you look at the >> right? I think when you look at the >> right? I think when you look at the world and you say, "I don't want to world and you say, "I don't want to world and you say, "I don't want to reproduce. I don't want to bring reproduce. I don't want to bring reproduce. I don't want to bring children into this world," it to me children into this world," it to me children into this world," it to me suggests like a a nihilism and a suggests like a a nihilism and a suggests like a a nihilism and a darkness that concerns me. Like marriage darkness that concerns me. Like marriage darkness that concerns me. Like marriage rates are dropping. Like young men and rates are dropping. Like young men and rates are dropping. Like young men and young women seem to be on different young women seem to be on different young women seem to be on different paths. Part of that is like we're in paths. Part of that is like we're in paths. Part of that is like we're in these algorithmic echo chambers where these algorithmic echo chambers where these algorithmic echo chambers where the kind of content that we're absorbing the kind of content that we're absorbing the kind of content that we're absorbing is really different. So you see is really different. So you see is really different. So you see increasing political polarization not increasing political polarization not increasing political polarization not just in the US but in other countries just in the US but in other countries just in the US but in other countries too. It's like there's more adversarial

too. It's like there's more adversarial too. It's like there's more adversarial kind of interaction kind of interaction kind of interaction and I don't think that's good. You know and I don't think that's good. You know and I don't think that's good. You know going back to the idea that having a going back to the idea that having a going back to the idea that having a healthy late life is about building healthy late life is about building healthy late life is about building strong relationships and that that's a strong relationships and that that's a strong relationships and that that's a good predictor of our longevity. I want good predictor of our longevity. I want good predictor of our longevity. I want us to be in a world where we see us to be in a world where we see us to be in a world where we see ourselves as being on the same team as ourselves as being on the same team as ourselves as being on the same team as each other. each other. each other. >> Are you hopeful? Yeah, I'm super >> Are you hopeful? Yeah, I'm super >> Are you hopeful? Yeah, I'm super hopeful. I'm a very optimistic person. hopeful. I'm a very optimistic person. hopeful. I'm a very optimistic person. >> What would have to happen for that to be >> What would have to happen for that to be >> What would have to happen for that to be the case? the case? the case? >> I'm hopeful. I have teenagers, you know. >> I'm hopeful. I have teenagers, you know. >> I'm hopeful. I have teenagers, you know. I'm hopeful for them. I think they're I'm hopeful for them. I think they're I'm hopeful for them. I think they're going to take over and hopefully they'll going to take over and hopefully they'll going to take over and hopefully they'll be wiser than my generation has been. be wiser than my generation has been. be wiser than my generation has been. That's them with my husband. That's from That's them with my husband. That's from That's them with my husband. That's from a few years ago. a few years ago. a few years ago. >> I was going to say this, your boy's a >> I was going to say this, your boy's a >> I was going to say this, your boy's a bit older now, right? bit older now, right? bit older now, right? >> Yeah, he's 14 now. >> Yeah, he's 14 now. >> Yeah, he's 14 now. >> 14. Okay. >> 14. Okay. >> 14. Okay. >> Yeah. >> Yeah. >> Yeah. >> Dr. Darby Saxby, PhD. >> Dr. Darby Saxby, PhD. >> Dr. Darby Saxby, PhD. >> Yep, that's me. We have a closing >> Yep, that's me. We have a closing >> Yep, that's me. We have a closing tradition on this podcast where the last tradition on this podcast where the last tradition on this podcast where the last guest leaves a question to the next guest leaves a question to the next guest leaves a question to the next guest not knowing who they're leading it guest not knowing who they're leading it guest not knowing who they're leading it for. for. for. >> Oh >> Oh >> Oh >> question left for you is people are >> question left for you is people are >> question left for you is people are increasingly distrustful and lonely. If increasingly distrustful and lonely. If increasingly distrustful and lonely. If you could flip a switch and make one you could flip a switch and make one you could flip a switch and make one systemic change to turn the tide, what systemic change to turn the tide, what systemic change to turn the tide, what would it be?

would it be? would it be? >> To make people more socially connected. >> To make people more socially connected. >> To make people more socially connected. Well, I think building a better policy Well, I think building a better policy Well, I think building a better policy environment around parenting. So, I'm a environment around parenting. So, I'm a environment around parenting. So, I'm a big advocate for parental leave to big advocate for parental leave to big advocate for parental leave to protect time and space to bond. I think protect time and space to bond. I think protect time and space to bond. I think that would be a really positive change that would be a really positive change that would be a really positive change for a lot of parents in the US who don't for a lot of parents in the US who don't for a lot of parents in the US who don't get access to leave. get access to leave. get access to leave. >> Well, ju as a Brit, you know, I've moved >> Well, ju as a Brit, you know, I've moved >> Well, ju as a Brit, you know, I've moved over here and we we we you know, we're over here and we we we you know, we're over here and we we we you know, we're hiring a big workforce here in Los hiring a big workforce here in Los hiring a big workforce here in Los Angeles, New York, and around the United Angeles, New York, and around the United Angeles, New York, and around the United States, States, States, >> but hearing about the parental leave >> but hearing about the parental leave >> but hearing about the parental leave policies here is like mindblowing. policies here is like mindblowing. policies here is like mindblowing. >> What is the current parental leave >> What is the current parental leave >> What is the current parental leave policy in the United States? Yeah. So we policy in the United States? Yeah. So we policy in the United States? Yeah. So we are a huge outlier compared to the rest are a huge outlier compared to the rest are a huge outlier compared to the rest of the world, right? So like we do not of the world, right? So like we do not of the world, right? So like we do not have a universal paid leave policy for have a universal paid leave policy for have a universal paid leave policy for parents. That's at the federal level. parents. That's at the federal level. parents. That's at the federal level. There are some different policies at the There are some different policies at the There are some different policies at the state level. So every state has slightly state level. So every state has slightly state level. So every state has slightly different policies, but frequently different policies, but frequently different policies, but frequently what's most available to parents is what's most available to parents is what's most available to parents is unpaid disability leave that's provided unpaid disability leave that's provided unpaid disability leave that's provided by the state. It's not available to by the state. It's not available to by the state. It's not available to every parent. If you're a shift worker, every parent. If you're a shift worker, every parent. If you're a shift worker, if you're a gig worker, if you're at if you're a gig worker, if you're at if you're a gig worker, if you're at Walmart, you probably don't have access Walmart, you probably don't have access Walmart, you probably don't have access to that paid leave. And as a result, a to that paid leave. And as a result, a to that paid leave. And as a result, a lot of new moms in the US are back to lot of new moms in the US are back to lot of new moms in the US are back to work within a couple of weeks of birth, work within a couple of weeks of birth, work within a couple of weeks of birth, which I think is totally bonkers when which I think is totally bonkers when which I think is totally bonkers when you think about what does it take to you think about what does it take to you think about what does it take to build a healthy society.

build a healthy society. build a healthy society. >> The baseline federal protection is the >> The baseline federal protection is the >> The baseline federal protection is the family medical leave act. It guarantees family medical leave act. It guarantees family medical leave act. It guarantees up to 12 weeks of unpaid up to 12 weeks of unpaid up to 12 weeks of unpaid >> Yep. >> Yep. >> Yep. >> leave. Your employer must also maintain >> leave. Your employer must also maintain >> leave. Your employer must also maintain your group health insurance during this your group health insurance during this your group health insurance during this this time. So, they don't pay you. this time. So, they don't pay you. this time. So, they don't pay you. >> Yeah. Yeah. And that's a big problem >> Yeah. Yeah. And that's a big problem >> Yeah. Yeah. And that's a big problem because it's expensive. because it's expensive. because it's expensive. >> They're really expensive >> They're really expensive >> They're really expensive >> to raise kids. >> to raise kids. >> to raise kids. >> It's so surprising that they haven't >> It's so surprising that they haven't >> It's so surprising that they haven't passed law uh in this direction because passed law uh in this direction because passed law uh in this direction because it's not a partisan dispute. it's not a partisan dispute. it's not a partisan dispute. >> No, that's what's so surprising is that >> No, that's what's so surprising is that >> No, that's what's so surprising is that it's one of the best polling issues. it's one of the best polling issues. it's one of the best polling issues. It's bipartisan, right? Both Republicans It's bipartisan, right? Both Republicans It's bipartisan, right? Both Republicans and Democrats say they support leave. I and Democrats say they support leave. I and Democrats say they support leave. I think it's something like 80% think it's something like 80% think it's something like 80% >> of Americans are in favor of it. Yet, we >> of Americans are in favor of it. Yet, we >> of Americans are in favor of it. Yet, we haven't found the political will to make haven't found the political will to make haven't found the political will to make it happen. it happen. it happen. >> Well, maybe we need a woman in office. >> Well, maybe we need a woman in office. >> Well, maybe we need a woman in office. >> Well said. >> Well said. >> Well said. >> Or just a man, which >> Or just a man, which >> Or just a man, which >> or just a just an empathetic man. Let's >> or just a just an empathetic man. Let's >> or just a just an empathetic man. Let's get hands- on dads get hands- on dads get hands- on dads to rise to power and moms. to rise to power and moms. to rise to power and moms. Thank you so much for writing this book Thank you so much for writing this book Thank you so much for writing this book because you're shining a light on so because you're shining a light on so because you're shining a light on so many issues that have been mystified many issues that have been mystified many issues that have been mystified through I guess pop culture in a way, through I guess pop culture in a way, through I guess pop culture in a way, but you're you're bringing to light the but you're you're bringing to light the but you're you're bringing to light the reality that men are both important in reality that men are both important in reality that men are both important in the raising of children, but also you're the raising of children, but also you're the raising of children, but also you're you're doing it through a lens of you're doing it through a lens of you're doing it through a lens of storytelling through adjacencies and storytelling through adjacencies and storytelling through adjacencies and different animals and through science in different animals and through science in different animals and through science in such a rigorous way. And I think it such a rigorous way. And I think it such a rigorous way. And I think it starts a conversation about the upsides starts a conversation about the upsides starts a conversation about the upsides of being a parent.

of being a parent. of being a parent. >> And those are, as we said, they're less >> And those are, as we said, they're less >> And those are, as we said, they're less obvious than the pain of being a parent. obvious than the pain of being a parent. obvious than the pain of being a parent. >> Yeah. >> Yeah. >> Yeah. >> And I think the more we can sort of >> And I think the more we can sort of >> And I think the more we can sort of rebalance that equation, the more likely rebalance that equation, the more likely rebalance that equation, the more likely we are to have to raise a healthy we are to have to raise a healthy we are to have to raise a healthy generation of of kids. And again, I do generation of of kids. And again, I do generation of of kids. And again, I do pause a lot because I realize I've got pause a lot because I realize I've got pause a lot because I realize I've got friends close to me that both either friends close to me that both either friends close to me that both either don't want to have kids for whatever don't want to have kids for whatever don't want to have kids for whatever reasons or just can't have kids. reasons or just can't have kids. reasons or just can't have kids. >> So there's often the the sort of stigma >> So there's often the the sort of stigma >> So there's often the the sort of stigma can go both ways in some regard. Um, but can go both ways in some regard. Um, but can go both ways in some regard. Um, but I'm someone that wants to have kids and I'm someone that wants to have kids and I'm someone that wants to have kids and it was fascinating learning about your it was fascinating learning about your it was fascinating learning about your work and it was um, helps me to prepare work and it was um, helps me to prepare work and it was um, helps me to prepare for what I hope will be the most for what I hope will be the most for what I hope will be the most fulfilling journey of my life. So, Dr. fulfilling journey of my life. So, Dr. fulfilling journey of my life. So, Dr. Darby Saxby, thank you so much for your Darby Saxby, thank you so much for your Darby Saxby, thank you so much for your work. If everyone wants to go get your work. If everyone wants to go get your work. If everyone wants to go get your book, I have two versions here. I have book, I have two versions here. I have book, I have two versions here. I have the UK version and I have the uh, US the UK version and I have the uh, US the UK version and I have the uh, US version. I'm going to hold both of them version. I'm going to hold both of them version. I'm going to hold both of them up here and I'll link it below for up here and I'll link it below for up here and I'll link it below for anyone that wants to have a read. anyone that wants to have a read. anyone that wants to have a read. Absolutely fascinating. And the great Absolutely fascinating. And the great Absolutely fascinating. And the great thing about your work is you do the sort thing about your work is you do the sort thing about your work is you do the sort of first party research yourself. of first party research yourself. of first party research yourself. >> And you're at the very forefront of what >> And you're at the very forefront of what >> And you're at the very forefront of what we know about what it is to have a dad we know about what it is to have a dad we know about what it is to have a dad brain, but also more broadly about brain, but also more broadly about brain, but also more broadly about couples, how they interact, and where couples, how they interact, and where couples, how they interact, and where they can sometimes go wrong.

they can sometimes go wrong. they can sometimes go wrong. Thank you. Thank you. Thank you. >> Thank you so much for having me. This >> Thank you so much for having me. This >> Thank you so much for having me. This was a delight. was a delight. was a delight. >> It's been a pleasure. YouTube have this >> It's been a pleasure. YouTube have this >> It's been a pleasure. YouTube have this new crazy algorithm where they know new crazy algorithm where they know new crazy algorithm where they know exactly what video you would like to exactly what video you would like to exactly what video you would like to watch next based on AI and all of your watch next based on AI and all of your watch next based on AI and all of your viewing behavior. And the algorithm says viewing behavior. And the algorithm says viewing behavior. And the algorithm says that this video is the perfect video for that this video is the perfect video for that this video is the perfect video for you. It's different for everybody you. It's different for everybody you. It's different for everybody looking right now.