Yes, there's genetics. Yes, there are chromosomes. Yes, there's biology. Yes, there are environment, sociology, parenting, economics, class, and all of that. But there is something else, as well.
I've always stayed on the periphery of things. When I used to go to the punk clubs and things like that, I was never up front. I always wanted to be in the back, or on the side, because I wanted to get the whole view, rather than be staring up at someone's nostrils.