Interracial sperm competition
Sperm Competition ((FYFF))
28 Jul Interracial sperm competition white men are incapable of repeating this process beacause they lack.
13 Dec Watch Sloppy Seconds - time to accept that sperm competition idea open cunts! on www.pirkparduok.eu, the best hardcore porn site. Pornhub is. predictions of the ejaculate delivery/sperm competition hypothesis for human are no genitalic morphometric data that would permit interracial comparisons.
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Description:The idea is that if a guy watches a video with two guys and one girl, he'll try to leave more swimming sperm since they now have to compete with those of the other man so his mind thinks. Now, the proper reaction is to think that two guys going at one girl simultaneously was probably as rare, or even more rare, in our evolutionary past than it is today, so how would we show an adaptation to it? You could also look at sperm content from real-life interracial couples, but there could be confounding factors. I'm assuming the actresses in all scenes would be rated beforehand to ensure that any guy would find them very attractive. That rings true anecdotally:
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