Https://www.youtube.com/watch?v=mFnmosX-8-I “It’s all about maximising the probability of the male reproducing,” suggests Sarah Robertson in the University of Adelaide in Australia. The effects are most hanging in fruit flies: seminal fluid might make the girls take in much more, lay additional eggs and become much less receptive to other males. https://www.youtube.com/watch?v=mFnmosX-8-I