The Evolutionary Psychology of Human Mate Selection: Strategies, Sex Differences, and Deception with Dr. David Buss

This Huberman Lab episode features Dr. David Buss, a leading figure in evolutionary psychology, discussing the intricate strategies humans employ for mate selection in both short-term and long-term contexts. Dr. Buss grounds his analysis in Darwin's theory of sexual selection, differentiating between intrasexual competition and preferential mate choice. He highlights universal desires found across 37 cultures, such as intelligence, kindness, mutual attraction, good health, dependability, and emotional stability, emphasizing that love is a cross-cultural phenomenon with distinct infatuation and attachment phases. The discussion underscores the rarity of long-term pair bonding in the mammalian world, making human mating systems unique due to heavy male investment and relatively concealed ovulation.

The episode delves into significant sex differences in mate preferences. Women, more than men, prioritize good earning capacity, slightly older age, and cues associated with resource acquisition, such as social status, ambition, and a positive long-term resource trajectory. They often utilize 'mate choice copying,' where a man's desirability is enhanced if he has already been chosen by other women. Conversely, men consistently prioritize physical attractiveness, youth, and cues to fertility, such as clear skin, symmetrical features, a low waist-to-hip ratio, and lustrous hair. The age gap in preferences is also discussed, with women preferring slightly older men and men preferring younger women, a gap that tends to widen as men age, particularly when societal constraints are reduced.

Practical insights include understanding the predictable ways men and women engage in deception, especially in online dating, where individuals exaggerate traits like income or height to align with desired mate preferences. The conversation also touches upon the darker aspects of human mating behavior, such as stalking and sexual violence, which Dr. Buss explores in his recent work. However, the overarching aim is to provide science-based strategies for making healthy mate selection choices and fostering the healthy progression of committed relationships, moving beyond speculation and rumor.

Broader implications of Dr. Buss's work emphasize the importance of rigorous, quantitative scientific studies in understanding complex human behaviors. The discussion connects evolutionary principles to modern social phenomena, including the influence of social media on status assessment (e.g., Twitter followers) and the constraints of mutual mate choice. By dissecting the underlying evolutionary logic, the episode offers a deeper understanding of why humans behave the way they do in the intricate dance of love and relationships, providing valuable knowledge for existing or future romantic endeavors.

Doctor Buss's laboratory is responsible for understanding the strategies that humans use to select mates in the short- and long-term.

what people look for in a long-term committed mateship, like a marriage partner or a long-term romantic relationship is different from what people look for in a hookup or casual sex, or one night stand, or even a brief affair.

Darwin noticed that there were phenomena that couldn't be explained by this so-called survival selection... he came up with the theory of sexual selection, which deals not with the evolution of characteristics due to their survival advantage, but rather due to their mating advantage.

the preferences, the mate preferences of one sex basically set the ground rules for competition in the opposite sex.

One of the interesting things about humans is that we have mutual mate choice, which is not true in all species.

No one wants a stupid, mean, ugly, disease-ridden mate.

women more than men prioritized good earning capacity, slightly older age, and the qualities associated with resource acquisition.

men prioritize physical appearance, and in the field of psychology, I was taught when I was an undergraduate that you can't judge a book by its cover, that physical attractiveness was infinitely arbitrary, infinitely culturally variable. And it's simply not true.

The cues that men find attractive women are not at all arbitrary. There is some variation across cultures, like in relative plumpness versus thinness, but things like clear skin, clear eyes, symmetrical features, a low waist to hip ratio, full lips, lustrous hair, all these are qualities that are associated with youth and health, and hence have heavy evolved to be part of our standards of attractiveness.

men preferred women who were about three to four years younger than they were on average... Women preferred guys who were about three and a half to four and a half years older than they were.

people do lie, but they lie in predictable ways. They lie in ways that attempt to embody the mate preferences of the person they're trying to attract.