Quote:
Originally Posted by wobzire
In all honesty I think the penis is natures practical joke on mankind. I'm not some transgender person or anything but I am sort of jealous of girls not having exterior genitals. I mean come on! At least make the retractable or something.
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Well I don't know about the penis itself, but I did read once that the testicles must be kept outside the body because the sperm need to be kept at a slightly lower temperature than the body itself to survive.