I don't know for sure that that's the case with Ghaugh38's husband. Small brain injuries can cause personality changes, though, and she mentioned that her husband has had several, and she also mentioned that his behavior has changed over the years, so it seems like something worth checking out.

Sometimes personality changes from brain trauma can be helped with medication, so if it's possible to find out if he's one of those people, that would be good.

I tend to think of lack of control issues like outbursts of anger to be the type of thing that happens because of mild brain trauma, rather than traits like being controlling and manipulative - those traits seem to indicate higher brain functions that are working well but not in a positive way, so that, in my limited knowledge, would say "maybe not due to brain trauma", but I don't know very much about the subject.

I've seen people have fairly striking changes in personality due to traumatic brain injury, and I've read that even minor head trauma can cause personality change.

http://www.fmcmindbody.com/wp-conten..._the_brain.pdf