I don't know what to do.

I truly wish that I could snap my fingers and make it all better. Your health is the most important thing at this point in time and if that means being alone to accomplish that then so be it,, but that I am sure that is not an option. You are going to have to figure some way of getting your wife to understand, the medical condition you have described are very stressful situations to deal with on your own without the the wife and
Bi-polar issues. If there is anything I can do PM me and I will listen.......