"I was friends with the son of a Hell’s Angel for several years … until he went to prison. As a way to show Tom love, his dad would beat him every day as a kid. This, in order to toughen him up, to increase his pain threshold so as to prepare him for a world that could be pretty cruel and uncaring. It worked. Tom was definitely tough, and physical pain was something he had little trouble enduring. The problem was that dad’s Hell’s Angel methods left Tom with little prefrontal, executive function brain development. Like the majority of violent offenders in prison, Tom couldn’t control his emotional impulses in the least, particularly anger"