There was once a girl who lived alone. She had horrible thoughts about herself and wished it would all go away. "Why does she live alone?" you may ask. Well, she drove everyone away. She wrote down all the bad thoughts she had about people, so she didn't say them out loud. Her friends found this and started to hate her. She had always thought they secretly despised her.
Eventually they left. Apparently she was right.
And where are her parents? She drove them away too. She told her mother how she made her feel horrible about herself. She told her depressed father that she wished he wasn't here. How her life might have been better without him.
So here she is, all alone. She brought it on herself.
And now she was going to end it all.