Hi Steven, I don't know what the answer is to your mental health issues but I do know that working the 12 steps of AA can make your life so much better and keep you sober.
Will you go to an AA meeting?
You stayed sober for 11 months and relapsed. You have to learn from this and do something different this time. AA is a good place to go for a solution, for meeting people who understand what you are going through and for meeting new friends.
Will you go?