Darby Saxbe (on Dad Brain) | Armchair Expert with Dax Shepard

1. Darby's Childhood & Parental Divorce

Darby Saxbe's parents, both doctors, divorced when she was nine. Her mother left her father for a patient's husband, leading to a period of joint custody and a significant shift in family dynamics. This early experience with family upheaval and evolving parental roles likely influenced her later academic focus.

Significance (Medium): This personal history provides a foundational context for Saxbe's later research into family stress and the transition to parenthood, offering an insider's perspective on the complexities of marital dissolution and co-parenting.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

2. The '80s Dad' vs. The 'New Dad'

Saxbe contrasts the '80s dad' stereotype, characterized by hands-off involvement in daily routines, with the emerging 'new dad' who is more actively engaged in childcare. Her own father, a surgeon, became a primary caregiver after the divorce, demonstrating a significant shift in his role and responsibilities, even exhibiting meticulousness in domestic tasks.

Significance (High): This comparison highlights the dramatic evolution of paternal roles, suggesting that societal expectations and individual adaptation are reshaping fatherhood from a distant provider to an active participant in family life.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

3. The Scarcity of Fatherhood Research

A significant gap exists in academic research concerning fatherhood, with studies overwhelmingly focusing on mothers. Saxbe notes that historically, medical research has been male-centric, but in parenting studies, the focus has shifted almost entirely to mothers, leaving men's experiences largely under-examined.

Significance (High): This imbalance means our understanding of family dynamics, child development, and paternal roles is incomplete, potentially leading to policies and societal expectations that don't fully account for fathers' contributions and challenges.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

4. Hunter-Gatherer Parenting Models

In traditional hunter-gatherer societies, parenting is highly collective and egalitarian. Fathers are often deeply involved, holding babies and participating in childcare, reflecting social structures where resources are shared and gender roles are flexible, partly because women contribute significantly to sustenance.

Significance (High): Examining these ancestral models provides a crucial baseline for understanding human parenting design, suggesting that modern, isolated parenting styles deviate significantly from our evolutionary heritage, potentially creating inherent stressors.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

5. The Stress of Modern Isolated Parenting

Contemporary parenting, characterized by nuclear families, suburban living, and a lack of extended community support, is uniquely stressful and deviates from our evolved need for communal child-rearing. This isolation makes parenting significantly more demanding than the cooperative models seen in ancestral societies.

Significance (High): This analysis points to systemic societal factors as major contributors to parental stress, suggesting that a return to more community-oriented child-rearing could alleviate burdens and foster healthier family environments.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

6. Sweden's 'Latte Papas' and Paternity Leave

Sweden's policy of year-long parental leave, with earmarked paternity leave that is forfeited if unused, normalizes and destigmatizes fathers taking leave. This has fostered a culture of 'latte papas'—men visibly engaged in childcare—contrasting with the US where stigma and the 'ideal worker' norm discourage men from taking full paternity leave, fearing career repercussions.

Significance (High): Demonstrates how policy incentives can effectively reshape cultural norms around fatherhood, encouraging greater paternal involvement and challenging traditional gender roles in childcare.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

7. Dad's Prenatal Hormonal Shifts

Contrary to the assumption that only mothers experience significant physiological changes, fathers also undergo hormonal shifts prenatally. Research indicates drops in testosterone and changes in prolactin levels, with higher prenatal prolactin correlating with increased paternal bonding and motivation post-birth, suggesting a biological basis for fatherhood.

Significance (High): Challenges the notion of fathers as biologically detached from the parenting process, revealing hormonal mechanisms that may prime them for caregiving and bonding.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

8. The 'Dad Bod' Phenomenon

The 'dad bod' is a real phenomenon where men often gain weight during the transition to fatherhood. This is linked to reduced testosterone (leading to less muscle mass and lower metabolism) and potentially evolutionary pressures for resource reserves, as well as mirroring a partner's eating habits during pregnancy.

Significance (Medium): Connects a common cultural observation ('dad bod') to underlying biological and evolutionary factors, illustrating how fatherhood can manifest physically.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

9. Paternal Postpartum Depression

Fathers are also susceptible to postpartum depression, with prevalence rates about twice that of the general male population. This can stem from similar stressors as mothers experience, including sleep deprivation, stress, identity conflict, and hormonal changes, highlighting the need for broader recognition and support for perinatal mental health in men.

Significance (High): Brings critical attention to the often-overlooked mental health challenges faced by new fathers, emphasizing that postpartum depression is not exclusively a maternal issue.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

10. The Transformative Impact of Witnessing Childbirth

Men's presence at childbirth, a relatively recent phenomenon historically, can be a profoundly impactful experience. Witnessing the intensity and potential risks can foster immense respect and admiration for their partners, while also being a source of fear and a catalyst for confronting their own transition into a permanent adult role.

Significance (High): Underscores the psychological significance of childbirth for fathers, suggesting it can be a pivotal moment that deepens marital bonds and solidifies paternal identity.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

11. Parenthood Brain: Gray Matter Reduction and Efficiency

During the transition to fatherhood, men's brains show a reduction in gray matter volume, particularly in social cognition regions. This is interpreted not as a deficit, but as an adaptive streamlining process, making the brain more efficient and specialized for responsive caregiving, similar to changes observed in mothers.

Significance (High): Reveals the brain's remarkable plasticity in response to parenthood, demonstrating that fathers actively develop a 'parenting brain' through engagement and experience.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

12. Dax Shepard: Hormonal Flexibility is Key

Dax Shepard and Darby Saxbe discuss the concept of hormonal flexibility, emphasizing that hormones like cortisol and testosterone are not inherently 'good' or 'bad' but should adapt to context. The issue arises when these systems are 'hijacked' by modern stressors, leading to maladaptive responses, such as a fight-or-flight reaction in traffic. The goal is biological adaptability, not fixed hormonal levels.

Significance (Medium): This reframes the understanding of stress hormones, shifting focus from managing levels to fostering adaptability. It suggests that our biology is designed for survival in different environments, and modern life often creates a mismatch.

Sources in support: Dax Shepard (Host), Darby Saxbe (Guest, Clinical Psychologist, Professor)

13. Darby Saxbe: The Synchrony of New Parent Hormones

Darby Saxbe explains that hormones like cortisol, prolactin, and testosterone fluctuate in synchrony between cohabiting couples after a baby's arrival. This mirroring effect, observed in her lab, suggests a biological attunement between partners, potentially aiding in the neurobiological remodeling and behavioral adaptation for caregiving. However, overly strong links in cortisol patterns can signal relationship dissatisfaction.

Significance (Medium): This highlights a fascinating biological connection between new parents, suggesting a shared journey into caregiving. It also introduces a cautionary note about excessive hormonal synchrony potentially straining the couple's relationship.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

14. Dax Shepard: The Relationship 'Crisis' of Parenthood

Dax Shepard shares insights from 'Brain Rules for Babies,' noting that children statistically make relationships worse by increasing conflict and decreasing satisfaction. He likens the transition to running a small business where the 'product' is the baby, requiring constant strategizing, trade-offs, and navigating exhaustion, which breeds conflict and challenges new identities.

Significance (High): This starkly frames the reality of new parenthood, challenging the romanticized notion that a baby will 'save' a relationship. It emphasizes the need for couples to be prepared for increased challenges and potential dissatisfaction.

Sources in support: Dax Shepard (Host)

Neutral sources: Darby Saxbe (Guest, Clinical Psychologist, Professor)

15. Darby Saxbe: The Adaptability of Fatherhood Brains

Darby Saxbe discusses research on adoptive gay male couples, showing that the primary caregiver dad's brain responses mirrored those of mothers, while the secondary caregiver dad's brain resembled heterosexual dads. This demonstrates the brain's adaptability, allowing men to develop primary caregiver brains regardless of biological ties, highlighting that caregiving roles, not just biology, shape parental brains.

Significance (High): This finding powerfully illustrates that the capacity for nurturing and primary caregiving is not exclusive to mothers, challenging traditional gender roles and emphasizing the role of active engagement in shaping parental identity and brain function.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

16. Darby Saxbe: Egalitarianism and Parental Overestimation

Darby Saxbe's research shows couples often overestimate how equitably they will split baby care, with dads consistently overestimating their future contributions and actual contributions. While egalitarian balance leads to better couple outcomes, parents are poor predictors of this split. This generational shift is evident, with contemporary men doing far more than previous generations, yet mothers often still bear a disproportionate emotional load.

Significance (High): This reveals a significant gap between parental intentions and reality regarding childcare division. It underscores the persistent, albeit diminishing, gendered expectations in parenting and the emotional labor often falling on mothers.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

17. Dax Shepard: Earning Your Seat at the Parenting Table

Dax Shepard argues that for fathers to have a meaningful say in parenting decisions (like sleep schedules or schooling), they must actively participate in the day-to-day caregiving. He emphasizes that involvement isn't just about virtue signaling but about earning the right to contribute to crucial decisions, as partners who are less involved won't have the necessary context or credibility.

Significance (Medium): This provides a pragmatic call to action for fathers, framing active participation as essential for gaining influence and partnership in parenting. It suggests that true co-parenting requires demonstrable effort and commitment.

Sources in support: Dax Shepard (Host)

Neutral sources: Darby Saxbe (Guest, Clinical Psychologist, Professor)

18. Dax Shepard: The 'Default' Parent and Domain Specialization

Dax Shepard observes that children often default to asking mothers for permission, even when fathers are present, citing an anecdote where kids asked 'Mom, can Dad take us to the store?' He notes that in his own household, they've established 'domains' where children know who to ask for specific things, like takeout food, which he is more likely to approve.

Significance (Medium): This illustrates the ingrained societal perceptions of parental roles and how children learn to navigate them. It also highlights the intentional strategies couples use to manage household responsibilities and decision-making.

Sources in support: Dax Shepard (Host)

Neutral sources: Darby Saxbe (Guest, Clinical Psychologist, Professor)

19. Darby Saxbe: The Playful Father and Proprioceptive Touch

Darby Saxbe identifies the 'play parent,' often the father, who engages in roughhousing, chasing, and tickling—activities involving proprioceptive touch. This style of play is highly beneficial for children, fostering confidence, risk tolerance, balance, and agility. The 'sports dad' role is seen as a continuation of this domain where many fathers feel comfortable and competent.

Significance (Medium): This defines a specific, valuable role for fathers in child development, emphasizing the unique benefits of physical, risk-taking play. It suggests that this type of interaction is not just fun but crucial for a child's physical and emotional growth.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

20. Dax Shepard: The Stepparent's Complex Role

Dax Shepard recounts his combative teenage relationship with his stepfather, initially blaming him for his parents' divorce. However, as an adult, he came to appreciate his stepfather's wisdom, creativity (as a poet and professor), and different life perspective, which contrasted with his surgeon father. This experience inspired Shepard's own academic path and highlighted the long-term value of diverse parental figures.

Significance (Medium): This personal narrative illustrates the often challenging, yet potentially rewarding, evolution of stepparent-child relationships. It shows how initial conflict can transform into appreciation and influence over time, demonstrating the multifaceted nature of family.

Sources in support: Dax Shepard (Host)

Neutral sources: Darby Saxbe (Guest, Clinical Psychologist, Professor)

21. Darby Saxbe: Fatherhood as a Public Good

Darby Saxbe argues that fatherhood should be championed as a public good, emphasizing that empowering men in caregiving and valuing care beyond gender roles benefits society. This requires investment in smart policies and cultural shifts that recognize men as natural caregivers. She contrasts this with resurgent neotraditional gender roles, advocating for flexibility and robust support for fathers, which also enhances mothers' well-being and overall child welfare.

Significance (High): This frames involved fatherhood not just as a personal or familial benefit, but as a societal imperative. It calls for systemic changes in policy and culture to fully integrate and value men's roles in caregiving for the betterment of all.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

22. Darby Saxbe: Evidence for Investing in Fatherhood

Darby Saxbe points to evidence demonstrating the benefits of investing in fatherhood, citing company parental leave policies that improve retention and well-being. International models with generous paternity leave show increased father involvement, benefiting couples, mothers' health, children's outcomes, and fathers themselves. This counters recent trends of companies cutting parental leave, despite its positive impact on worker loyalty and productivity.

Significance (High): This provides concrete data and examples supporting the societal value of father involvement. It highlights how policy and cultural support for fathers yield tangible benefits across multiple domains, from the workplace to family health.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

23. Saxbe: Fatherhood's Brain-Boosting Power

Becoming a parent is neuroprotective for both mothers and fathers, with studies showing that parents' brains appear younger relative to their chronological age. This effect is linked to caregiving and social integration, not just pregnancy hormones, suggesting that investing in relationships benefits men's health and well-being in later life. The longest running longitudinal study from Harvard found that the quality of relationships predicted a longer, healthier life more than income or job prestige.

Significance (High): This research reframes fatherhood not just as a social role but as a biologically beneficial one for men's long-term health. It challenges the 'manosphere' focus on wealth and status by highlighting the profound health advantages derived from strong social connections and caregiving.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)

24. Shepard: The Longevity Link with Daughters

Men with daughters tend to live longer, with each daughter adding an average of 1.7 years to a man's life. This phenomenon is attributed to the social connection and support system daughters provide in later life, fostering a sense of community. Interacting with daughters also allows men to embrace softer, more nurturing aspects of their personality that might otherwise be suppressed by traditional masculine expectations.

Significance (High): This finding offers a compelling, quantifiable benefit of having daughters, suggesting that nurturing relationships, particularly with children, are a key determinant of male longevity and emotional well-being. It challenges rigid gender roles by showing how embracing 'sweetness' and emotional expression can be restorative.

Sources in support: Dax Shepard (Host)

Neutral sources: Darby Saxbe (Guest, Clinical Psychologist, Professor)

25. Shepard & Saxbe: Rethinking Boys' Upbringing

Cultural expectations often lead parents to 'toughen up' sons in ways that can be detrimental, focusing on presenting them as capable of taking on challenges rather than nurturing their emotional needs. This contrasts with how daughters are often parented, allowing for more varied emotional expression. Boys, in particular, may need significant love, care, and nurturing, and parents should be mindful of not being overly rough or imposing rigid masculine ideals that limit their emotional range.

Significance (Medium): This point highlights a critical area where traditional masculinity can negatively impact boys' development. By questioning the necessity of 'toughness' and advocating for more nurturing approaches, the discussion opens the door for healthier emotional expression and a more balanced upbringing for sons.

Sources in support: Dax Shepard (Host), Darby Saxbe (Guest, Clinical Psychologist, Professor)

26. Saxbe: The Case for 'Ignoring' Your Kids

Modern parenting often over-structures children's lives with excessive activities and classes, hindering their ability to learn through observation and modeling, as seen in hunter-gatherer societies. Parents should engage in 'boring' activities with their children, like social calls or errands, to teach patience, turn-taking in conversation, and how to integrate into the adult world. This approach counters the risk of raising narcissists by showing children they are not the sole center of the universe.

Significance (High): This perspective challenges the prevailing 'helicopter' or 'lawnmower' parenting styles, suggesting that over-involvement can be detrimental. It advocates for a return to a more organic, less child-centric approach that fosters independence, patience, and social integration, which are crucial for healthy development and navigating the real world.

Sources in support: Darby Saxbe (Guest, Clinical Psychologist, Professor)

Neutral sources: Dax Shepard (Host)