Once you have identified with some form...
Once you have identified with some form of negativity, you do not want to let it go, and on a deeply unconscious level, you do not want positive change. It would threaten your identity as a depressed, angry or hard-done by person. You will then ignore, deny or sabotage the positive in your life. This is a common phenomenon.
Eckhart Tolle
It is also insane.