My 13 yr old son get violent when ever he gets repremanded for bad behavior. He'll hits himself, hits doors, walls, furniture etc. He yells at me and tells me to shut up, tells me I will not do this or that, and that they are HIS rules etc. I have two grown sons and it's so bad that they are afraid for my safety. We have fairly strict rules in our home (compared to a lot of other homes), and he's had these rules all his life. Does pubirty amplify this behavior? Any advise on how to handle this?