Let me get this straight. You had an aggressive man in bed who could give you multiple O's yet you did not want to have sex with him.
Interesting.
I know you said he thought he was the world's greatest lover and that was a turn-off. What about the rest? Was he good to you? Who ended the engagement and why?
You admit to most of your previous R not being healthy. Was there sexual attraction in most of them though? Why not with this guy?
You state you "totally lost all interest." Became LD/ND.
I may be totally off the mark here but maybe he had a healthy view of R and sex and you were used to your Ex's ways of relating. Dysfunctional ways of relating.
Whatcha think?