Do they all deny something is wrong with them?

I have been trying to make sense of what happened. They accept no responsibility, they do not acknowledge they have tampered with my perception of reality, they have emotionally abused me and that they have “done the best that they could”. The idealize, devalue and discard cycle is as a result of their feelings. They simply “found they value other things in a partner”. I am having trouble breaking free because of this