How can you practice self-compassion and patience with yourself during a psychotic episode or when dealing with negative thoughts?

I wanted to be disconnected away from the world. And not just the world, but from my friends and family also. What should I do to cope with depression and trying to get away from the past that kills me the most?
How do you keep your dignity when people treat you like you are helpless?
How do you detach your own happiness from the choices your parents make?
What are the common signs that someone is mirroring you deliberately to gain your trust and affection?