I am also considered treatment resistant. I can't even count the number of meds I've taken over the past 30 years (including over 70 ECT treatments, which do work for me) - currently it's down to five (Lamictal, trazodone, Thorazine, Klonopin, and Adderall XR). They keep me fairly stable, since I haven't been hospitalized for 9 months, almost a record for me. I'm also treatment resistant to therapy, and I really struggle with that, because it makes me feel like I don't want to get better or I'm doing something wrong.
But try to stay positive. You will eventually find a combination of therapies and meds that will work for you. Treatment resistance is not your fault - it simply means you and your doctor need to continue to look for the right way to overcome it. For your sake, I really hope that happens soon!