He will never change because he doesn't want to. Yet ! Always - come on chime in here.
H doesn't recognize the problem, he thinks he does, he says he does, you want to believe he does, but .... he doesn't. Not yet.
Hell, it took my entire life to be turned upside down for me to begin to understand this in myself and I'm still struggling. I'm getting better, but not even close to where I want to be.