It's not okay to pity yourself to much.
Ed experiences a setback in his life and is feeling very low about things.
Ed wants to react emotionally to his situation.
Ed decides stay positive and hopeful even in the face of the obstacles he's facing.
Ed lets himself fall into self-pity focusing on all the problems he is facing.
Ed is able to work up the motivation to improve his situation and his life improves.
Ed loses his motivation to change his life and his mental condition becomes bleak.