What about starting with being open and honest with friends and family about your situation? You seem so isolated, something controlling men manage to do to us.
You mentioned your mom was coming for a visit is it possible to talk with her, is moving in with her an option, even a temporary one?
If you open up to your friends it will open up new doors, your phone will begin to ring, and you will find you do have new places to go. What about ala-non or nar-anon meetings?
Have you talked to your doctors about your depression, are you taking any medications? Often no energy and depression go hand n hand. I know you said you’ve felt that way for 20 years or more but added stress brings on deeper depression.
Didn’t you seek help and advice from an attorney last year when you discovered his drug use and other things going on? What were his suggestions at that time?