I'm happy to hear that your wife has entered rehab and seems to have a willing spirit! That's great news and I hope it continues
Really, any relationship requires that both individuals work to become the best versions of themselves so that they can bring that to the relationship. She has her work, you have your work, then you can work together as a team.
I agree with what others have said in that I hope you take this time to heal yourself a bit after living with active alcoholism for a number of years. Please take good care!