No/low contact is the only way to go. Don't take their bait. Never argue with someone who believes their own lies. And remember: every abuser believes EVERYTHING that comes from their mouths is pure truth.
I don't have enough fingers on my hands to count all those times when I've been hurt because I thought that everyone has a good heart and that wouldn't let them hurt me . You think everyone has the same heart as you , and that's what's gonna fuck you up