The truth is you don't really know but anger and confusion are a normal part of what you are going through. You don't need to find validation for your feelings by trying to pinpoint his actions. You felt badly for how he treated you and you know you didn't deserve that treatment.
Do you journal? Have gal pals you can talk to about this? It is about you now and what a good person you are. Not about how bad or messed up he is.