one theory of mine is that they communicate by tapping their penis on skin and relay information through morse code on how they wanna be fucked. the female counterpart would find them tapping clits instead.
@Hwa-Nyaa
Even many men with working eyes don't know where and how to put it. Ben's theory is right as many a times men just have to tap everywhere till they find the real tunnel.
Most of our instincts are concentrated in our baby form. We kniw how to climb, to swim and to suck milk only by instinct, which is soon lost as we grow up