For myself, I do think my behavior was codependent. Just because I have had extensive education and therapy on this subject does not mean I don't slip, I definitely still do. Not still with my X as much, but with other people too. I know part of it is in my personality makeup so I know I am always walking a tight line and have to pay attention and really think out my actions and words.
He is not "normal." Go back and read your prior entries. It's easy to forget that when they act normal for a bit, but look at the actions over the past long term, that is who he is.
You are making huge progress in your own life, it's important to recognize and celebrate that!
XXX Much Love!