Sounds like me when I drank, too. I was confrontational and obnoxious - the exact opposite of the true me. I thought alcohol was making life fun & exciting - but it was warping my personality & making me anxious & edgy. Of course, I didn't see it - & no one could tell me. Nothing more frustrating than trying to reason with someone who's wasted.
I think AlAnon is an excellent idea. I'm glad you came here to discuss this. Let us know how you're doing.