Scientific Article On Penis Shape

I just found this interesting scientific article on penis shape which actually proves having a larger and longer penis would increase the chances of paternity. It also shows how having a shorter penis would prevent a cuckold's ability to effectively remove and displace the semen of a a rival male. Huh, I guess it's a scientific fact that cuckold's just weren't meant to reproduce. Oh well, I guess we'll just have to be satisfied with raising youngren from real men

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Plus, there's the bonus explanation of how a man can impregnate a woman he's never had sex with.