Some say alcoholics stop developing emotionally at the point in time where they become addicted. That was certainly true with AXH. I don't think he was much over 17 emotionally, like your ABF, he always put his own needs ahead of those of the kids.
That's not adult responsible behavior. You don't need that. And if you ever start wavering in your resolve to leave, you can just go back and re-read your posts here.