Cuckolding is genetic

No.12004790 ViewReplyOriginalReport
>Human eggs use chemical signals to attract sperm. New research from Stockholm University and Manchester University NHS Foundation Trust shows that eggs use these chemical signals to choose sperm. Different women's eggs attract different men's sperm-and not necessarily their partner's.
>Human eggs release chemicals called chemoattractants that attract sperm to unfertilized eggs. We wanted to know if eggs use these chemical signals to pick which sperm they attract,
>The egg does not always agree with the women's current choice of partner.
phys.org/news/2020-06-human-eggs-men-sperm.html

How the fuck could women's eggs be programmed to select the sperm from best mate unless women have been fucking multiple guys in a row throughout human evolution?