Welcome to SR, Thirdwave. I am really glad that you are here with us. My situation was very similar to yours when I joined SR, except that, by then, my drinking habit had already led to divorce. I have been sober since the day that I joined SR, 22 months ago. I wish the same for you. It can be done. And if I can get sober, anyone can.
Good luck. I hope you will post often and let us know how you are doing.