Originally Posted by
GoodguyJoel 
I understand there is a very real prospect that she may recover with this person.
There's not. People who truly loved her set up and paid for the rehab where she chose not to rehab. Instead of participating in recovery she's chucked it all and run off with another addict to do "real estate" while drunk. She's already tried to do drunken real estate before and crashed and burned. I doubt this time will be any different.
She's shown you what she wants and who she is. That's her truth. She most likely cheated on you. Her new "love" will be a much better fit for her as he is also an addict and therefore they can enable each other all day, every day. Much easier for her than having to apologise to you, her mother and all the other people she has cheated.
IF she decides to crawl back to you it won't be because she's had a revelation or anything like that. It will be because she's crashed and burned again and needs YOU to enable her.
You've actually been given a lucky break. Being married to an active alcoholic is not romantic, it's not a happy life at all. It's misery. She's shown you who she is in spectacular fashion and now it's time to believe her.