Podbit · Modern Wisdom
The most common misreading of evolutionary psychology is conflating proximate causes (why it feels good) with ultimate causes (why the trait exists). Nobody has sex because they want to pass on their genes. They have sex because it feels good. These are different questions. Confusing them derails half the debates about evolution and behavior.
Where this was said
At 50:34 · chapter starts 50:14
Why are men more aggressive, more risk-taking, more interested in casual sex? Stewart-Williams traces all of these to a single upstream cause: variance in offspring number is greater in males. In many species, some males can sire vastly more offspring than any female can produce, while many males sire none. This creates intense selection pressure on males to compete for status, resources, and multiple mates. The famous 40/80 statistic — that only 40% of ancestral men reproduced versus 80% of ancestral women — comes up, and Stewart-Williams pushes back: he thinks the male reproductive skew in humans was actually lower than in most mammals, precisely because humans have unusually high biparental care. He explains why a 50-50 sex ratio is evolutionarily stable even when one male can theoretically service many females, using a clean parental-investment argument. Bateman's original principle and Trivers' extension to all forms of parental investment — gestation, birth, nursing, and beyond — are outlined clearly.
No single piece of evidence proves sex differences are innate. But six independent lines all point in the same direction: early appearance, resistance to cultural pressure, persistence over time, hormonal correlates, cross-cultural universality, and animal homologues. When every arrow points the same way, the case becomes compelling.
A baseball-playing junior who learned about compound interest now wants to quit the sport to start working and investing. George says let him decide and own it. Jade says team sports build something a job can't replace — try doing both during off-season first before making the call permanent.
May is 33, carries $69K in combined household debt, and wants to spend 11–13 years training to become a forensic pathologist at $14K/year in tuition. The prerequisite is non-negotiable: zero debt before a single class. Then, with the spouse earning $4,500/month and able to run the household debt-free, cash-flowing medical school is genuinely possible.
Kavak launched the Jedi Academy, an internal program where every employee — from CEO to mechanics — completes a 6-week training and ships a production-ready AI agent. The message to staff was blunt: train and adapt, or this may not be the right place for you.
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Prompting AI effectively is a skill that should be taught in K-12. The best prompter in history? Socrates. His method of relentlessly asking precise questions to uncover truth is exactly what powerful AI interaction looks like — and schools should explicitly teach it.
When ChatGPT launched in November 2022, Fei-Fei Li's first move was to email her child's elementary school principal and offer to lecture teachers and students. No investor or tech company did that. Teachers are scared, forgotten, and lectured at — and if they're not helped, neither are the kids.
After the KSI show exposed how hard physical comedy really is, Andrew Santino sincerely proposed doing a semester at clown school in France. Bobby agreed. This is apparently a real plan.
K-12 schools ask students to sit still, raise their hand, use fine motor skills, and be pleasers — behaviors that describe girls more than boys. Boys are twice as likely to be suspended for the same behavior, and five times as likely if they're Black. The system needs male teachers, national service, and kindergarten starting at 6 for boys.
Sunk costs are gifts from your former self — and like all gifts, you're allowed to decline them. Godin reframes every stuck-due-to-sunk-cost situation as a single question: knowing what you know now, would you choose this again?
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