Episode notes
Robin Dunbar is a professor, an evolutionary psychologist, and the author of many books, including "Friends: Understanding the Power of Our Most Important Relationships." During our conversation, Robin talks about how and why he became interested in evolutionary psychology, what evolutionary psychology is, and its explanatory power.
He also talks about human social dynamics, and our "circles of friendship." These concentric circles include the universal findings of how, on average, human numerically structure their social lives: intimate friends (1.5), close friends (5), best friends (15), good friends (50), friends (150), acquaintances (500), and known names (1,500). "Dunbar's number" of 150 is really just one of these tiers.
Finally, Robin discusses why humans have friends, the "seven pillars of friendship," how people vet others fo ...
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