Why do nice guys get all the chicks?

A common theme amongst 4chan users is how they can't get chicks.  And very few of these people have demonstrated that they're nice guys.  So why do all the chicks end up flocking towards the nice guys?

>>25
It would have been nice of you if could have at least answered my question. but i dont mind if you dont, i just want that others could post an answer if possible.