# What Evolution Says About Dating

Source: https://www.youtube.com/watch?v=Lgp0pVLS5Xk
Recap page: https://rapidrecap.app/video/Lgp0pVLS5Xk
Generated: 2026-02-10T20:34:39.362+00:00

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## Quick Overview

Evolutionary psychology, as discussed by David Buss, suggests that sexual selection is non-random, involving two causal processes: natural selection (survival advantage) and sexual selection (mating success), leading to significant sex differences where women generally exhibit greater choosiness in long-term mating due to higher obligatory investment, such as a nine-month pregnancy, compared to men.

**Key Points:**
- Sexual selection is driven by two processes: natural selection (survival advantage) and sexual selection (mating success), which are not random.
- Women show significantly greater choosiness in long-term mating due to the high obligatory investment of pregnancy (nine months) and parental investment.
- Data from studies (like Buss and Schmitt's) show women rate qualities like financial prospects and ambition higher for long-term partners, while men prioritize physical attractiveness and youth.
- For short-term sex, women still show choosiness, requiring a minimum percentile of intelligence (e.g., 70th percentile) in potential partners, whereas men's requirements drop significantly.
- The study cited showed 94% of men would have sex with a total stranger they just met, while only 6% of women agreed to the same scenario, highlighting the differing minimum thresholds for casual sex.
- The difference in mating strategies stems from differential parental investment, where women's investment is far costlier (pregnancy, nursing) than men's.
- The concept of female choosiness is heavily influenced by the need to secure a partner who will invest resources in offspring, contrasting with the male tendency toward greater desire for sexual variety.

![Screenshot at 00:06: Jordan Peterson initiates the discussion by asking David Buss about the evidence suggesting women are choosier than men when it comes to selecting sexual partners, setting the stage for the evolutionary explanation.](https://ss.rapidrecap.app/screens/Lgp0pVLS5Xk/00-00-06.jpg)

**Context:** This video segment features an interview between Jordan Peterson and evolutionary psychologist David Buss, focusing on the empirical evidence supporting sex differences in mate preferences and sexual strategies derived from evolutionary theory. Buss is introduced as an expert who has extensively researched the evidence suggesting that women are generally choosier than men when selecting sexual partners, especially for long-term relationships, due to fundamental biological asymmetries in reproductive investment.

## Detailed Analysis

David Buss explains that sexual selection is not random, distinguishing between natural selection (survival advantage) and sexual selection (mating success). He details the two causal processes Darwin identified for mate selection: competition among the same sex (intrasexual competition) and mate choice by the opposite sex (intersexual selection). Buss emphasizes that women's reproductive biology necessitates greater choosiness in long-term mating because of the nine-month pregnancy and subsequent obligatory investment in offspring, which is a severe cost compared to male investment. He cites research showing that while men and women are roughly equal in wanting a marriage partner, women demand higher qualities (like ambition and resources) than men do in that context. Crucially, this choosiness persists even for short-term sex; women require a higher percentile of intelligence (e.g., 70th percentile) in a casual partner compared to men, whose standards drop significantly. Buss references a study where 94% of men agreed to sex with a stranger after 30 seconds, versus 0% of women, illustrating this stark difference in minimum thresholds for casual encounters. He concludes that these differences in mating strategies are deeply embedded in human evolutionary history, driven by the necessity for women to invest heavily in offspring survival, making them prioritize qualities that signal resource provision or good genes.

### Evolutionary Sexual Selection

- Sexual selection is non-random, driven by natural selection (survival) and sexual selection (mating success)
- Darwin identified two processes: intrasexual competition and female choice.

### Female Choosiness in Long-Term Mating

- Women have higher obligatory investment (9-month pregnancy)
- Women prioritize qualities like financial prospects and ambition for long-term partners.

### Sex Differences in Short-Term Mating

- Women require higher partner intelligence (e.g., 70th percentile) for casual sex
- Men's standards drop significantly for short-term partners (94% agree to sex with a stranger vs. 0% of women).

### Empirical Evidence Cited

- Buss and Schmitt studies show large sex differences in desired qualities
- Replication across European studies confirms these patterns.

### Parental Investment Implications

- Women's high investment cost leads to greater selectivity to ensure offspring survival, contrasting with male desire for sexual variety.

![Screenshot at 00:01: The start of the interview between Jordan Peterson \(left\) and David Buss \(right\), setting the context for a discussion on dating and sexual strategy.](https://ss.rapidrecap.app/screens/Lgp0pVLS5Xk/00-00-01.jpg)
![Screenshot at 00:12: Jordan Peterson poses the central question about the evidence suggesting women are choosier in partner selection than men.](https://ss.rapidrecap.app/screens/Lgp0pVLS5Xk/00-00-12.jpg)
![Screenshot at 00:39: David Buss explains the distinction between the two causal processes of sexual selection: survival advantage \(natural selection\) and mating success \(sexual selection\).](https://ss.rapidrecap.app/screens/Lgp0pVLS5Xk/00-00-39.jpg)
![Screenshot at 01:12: Buss details Darwin's two causal processes: same-sex competition and female choice, which lead to mating success.](https://ss.rapidrecap.app/screens/Lgp0pVLS5Xk/00-01-12.jpg)
![Screenshot at 04:48: David Buss begins to present specific quantitative evidence from studies regarding female choosiness for casual encounters.](https://ss.rapidrecap.app/screens/Lgp0pVLS5Xk/00-04-48.jpg)
