Dyadic Antagonistic Coevolution:

Female Adaptations:
- Falsely imply sex to receive resources in exchange
- Bait and switch- imply 'costless sex' and then making him fall in love

Male Defenses:
- Emotional upset about sexual deception
- Tactics for avoiding entanglements
    eg:
    -avoiding holding hands, cuddling, saying 'I love you', keeping conversation light, talking about having sex with others, and not introducing partner to friends.

SEXUAL ECONOMICS
- Reasons women have sex for ECONOMICS:
    - to get a raise/job/promotion
    - To make money
    - Someone offered me drugs for sex

Cross-cultural perspective:
    79% of cultures, only men give gifts to women
    5% of cultures both exchange gifts, men's more valuable
    16% both exchange gifts, value not reported
    0% both exchange, women's more valuable
    0% only women give gifts

Egg donation = $5-25k
Sperm donation = $35-150

Men typically have up to 4x as many sexual partners
    - Huge demand for multiple sex partners
    - Standards for intelligence for men drop 10 percentile points for casual sex

Men more quickly sexually aroused, more aroused by simple visual cues

Prostitution
    - literally just sex for money
    - 99% of those who purchase are men
    - >90% of those who sell are women
    A: should be illegal because it's degrading to women
    B: women should have the right to do whatever they want with their body
    Jocelyn Elders - actors/athletes/models are selling their bodies, why is prostitution different?

Sex Trafficking:
    - 50k people a year sexually trafficked into the US/year
    - Duped into idea of receiving a different, legitimate job.
    - Especially prevalent in Myanmar, Pakistan, India, Cambodia, and Thailand

Prostitution of choice vs desperation:
    - Some women would rather than marry
    - Some do it for lack of other options for money
    - Street prostitutes - paid the least - ~60% do it to pay for drug addiction
    - Call girls/escorts paid the most

Movie 'Indecent Proposal' - would you sell your body once for $1M?
Elisabeth Raine auctioned her virginity for ~$4M
Sugar babies/daddies - 7% of women had been in relationship with sugar daddy
    - average age is 39 for man and 22 for woman
    - "mutually beneficial arrangement"
    - Arizona State University has highest percentage of students in these

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