What is the biggest mistake you are making, but are completely blind to?
Therapy can help. People oddly enough find comfort in depression and they resist getting help because they have a hard time imaging doing life with a different way of dealing with life.
BUT life with a better and uplifting way of dealing with life is fun and enjoyable. The system I used to get depression under control can be found here: https://lylcoach.lchlegacy.com/