Is it a sign of manliness to have highly potent semen? It’s certainly a valuable trait for heterosexual men hoping to exercise their virility and extend their hereditary lines, though it seems a bit more difficult to measure and compare than, say, the length of one’s third leg.
Evolutionary biologists worldwide have a particular interest in the quality of common spunk, and some have dedicated years of research to discovering the secrets to producing potent semen. Turns out it’s perfectly possible to both train and trick your body into making better sperm. So, whether it’s for the bragging rights or a better chance at fatherhood, here are a few tips to turning out top-notch sperm.

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