Some men I have known to be divorced for years and who claimed they hated their exes and by “hate”, I mean they expressed how repulsive they used to find their exes, or how unattractive the ex was, etc..
Only to find out that their feelings for that ex had never died.
I understand the pain he caused you, but you’re lucky you got out of it with just scars; imagine if you had married that guy and had children with him only to find out about his feelings for his ex few years into the marriage. that would have been devastating and unfair to you and the kids..