He has a definite issue when he drinks but from the times I have spoken to him he loves his football and is a good bloke without the drink ( the old cold can of mixed personalities)
If he feels bad about the past, I hope he thinks of a way to repay the debt(maybe he could ask the victim ) and moves on to enjoy the gifts he has been given, that most of us would give our left one to have.
Either way I wish him the best and hope he gets back to his best form but if he doesn't take his probably last opportunity I hope he doesn't look back and wonder why he didn't just do what he knows he has to do!