The twins of a deranged serial murderer grew up. One got heavy into drinking, drugs and basically being a social miscreant, culminating in finally murdering a guy over some petty reason. The other twin made his way through school, earning a degree, and running a small business that flourished. Two guys. The same genetic make up. They asked both, one from his office desk, the other through the glass of a prison visiting room, Why do you think you turned out the way you did?
They both responded with basically the same answer,
Look at my father, what else was I supposed to do?