What’s not to get? People don’t (mainly) want physical pleasure, they (mainly) want love and validation. When a woman has sex with a man without being paid for

What’s not to get? People don’t (mainly) want physical pleasure, they (mainly) want love and validation. When a woman has sex with a man without being paid for it, the subtext (even if protection is used) is “You’re worthy of reproducing.” It’s a costly signal to that effect.