Q IS PENIS SIZE HEREDITARY, OR DID I JUST GET LUCKY?
Though the size of related men does appear to be commensurate (and thanks to everyone who participated—your vouchers are in the mail!), there's been no definitive ruling on this. Unlike, say, a widow's peak, no single gene is responsible for making your penis a certain size. (I did know a Big Dick Gene some years ago, but I don't think he's involved.) One's ultimate size is really determined by a confluence of heredity and the slew of hormonal, environmental, and behavioral factors at play during puberty—often loudly and well into the night. Therefore, I can't say for sure that your future son will be as blessed as you've been, but from what I remember, your dad's a bit bigger.…