Stoic, I think what you are feeling is pretty normal. This article speaks directly to what you are going through
Surviving a Break-up with Someone Suffering with Borderline Personality Disorder [NEW]I know it's hard. I just filed for divorce from my bipolar, ASPD, NPD husband. After 18 years of breathtaking insults and callousness, I wake up in the middle of the night thinking "maybe I was asking for too much. Maybe this is all really my fault! Maybe I didn't try hard enough!" etc, etc, etc, ad nauseum. And I KNOW better!
Try the article--it helps to understand... .
doubleAries