Originally Posted by
incognito70 
I guess I feel trust about it because he made this choice for himself long before me. He didnt make this choice for me, he made the choice that he didnt like his own character and wanted to change it. That was 10 years ago. He had an 8 year relationship after that (after the ex wife he did those things to) and while I havent questioned his friends, "the good ol' days" have came up and nothing they have said has ever made me think this was recent behavior, it all coincides with what he's told me.
I think the best thing to do would be to honestly talk to him about your concerns. You owe it to yourself and to your partner. Honesty is always a + for relationships. He might not even know his drinking bothers you.