Hi Bonnie and welcome. I am sorry you have to be here but you have found a place that can provide a lot of support.
One of the most important things I learned when I started here was the 3 c's.
I didn't cause it.
I can't control it.
I can't cure it.
He will get better only when he decides he wants to get better and not one minute before then. Doesn't matter what you do it's all up to him.
However you can start working on yourself and your recovery. My AW's (Alcoholic Wife) alcoholism took a huge toll on me. I finally left 6 months ago. This was after 36 years of marriage. She too was functional for a long time and it was easy to overlook or excuse.
I joined here and Al-Anon not long after I left and it has made a huge difference in me. I was full of anger and rage and self loathing and so much other emotional baggage. Now I feel good about myself and my life again. I have a life that is worth living and I am happy and content. Feelings I didn't think I would ever feel again.
So, please give AlAnon a try. It is well worth it.
Your friend,