Https://www.youtube.com/watch?v=mFnmosX-8-I “It’s all about maximising the likelihood of the male reproducing,” says Sarah Robertson on the College of Adelaide in Australia. The effects are most hanging in fruit flies: seminal fluid could make the ladies eat additional, lay a lot more eggs and become much less receptive to other males. https://www.youtube.com/watch?v=mFnmosX-8-I