>>18537579it isn't impregnated, the woman's body samples it and stores the DNA basically to gatekeep it less when it sees it again. even though it's how we reproduce, the body still initially considers it a foreign body to be attacked. there is an immune response.
I'll see if I can find the pubmed. but I think this one has links.
the short version though is that the more men cum in you, the more manic and incapable of love you become. the line isn't virgin, but statistically, it drops off a cliff around 10 partners.
