That means there are thousands of different schools of psychology, which are based on each one of these theories. You would have to wander from one therapist to another to discover which is the true school, OR you could discover it for yourself. It would not take a lot of reading and studying but just a bit of common sense. There are two major sources we think feelings come from. One is events.
Most people believe feelings are created by events.
If this had not happened I would not have felt upset, angry, hurt, guilty, or depressed. This way of thinking is the basis of all dysfunctional behavior, psychological problems and dependency. We hear a lot about the abuse excuse. My mother married five times, she was a drug addict. My brother committed suicide and my Uncle abused me.