The usual statistic that we hear from people who study genes is that about half of the men are fathers to women. It's a significantly different statistic from O

The usual statistic that we hear from people who study genes is that about half of the men are fathers to women. It's a significantly different statistic from OKCupid / Tinder matches, which is closer to 80-20, and the fact that less young men are having sex than before suggests that it translates to real life.