polyandry

For humans, even the thought of polyandry can jack up a man's sperm quality.

Some modern scholars consider Darwin's failure to recognize polyandry as the wrench jamming up the works of evolution to be one of his biggest oversights.

Considering all of that, might turning the knob way up on polyandry as a real or imagined stimulus rocket launch the get-up-and-go of any given man's sperm?

Adult relationships vary in form across societies and include not only the type most common around the world today — heterosexual monogamy — but also same-sex marriage, nonmarital unions, polyamory, polygyny and polyandry.

While the tomb reveals evidence of polygyny - men having children with multiple women - it also shows that polyandry was also widespread: women having children with multiple men.