A lot of women, including me, spent years trying to hard to make things work, including sacrificing our self esteem and sense of self. So please accept that this is something most of us and nothing to be ashamed of.
And yes, part of recovery is looking at the our own thoughts, feelings and behaviours that led to us being in an abusive relationship. The abuse that he carried out was all him though. He did and said those things to you and that was abuse.