I've heard they can't stand when we succeed and get the last laughter in the end. I once thought about hurting him back when I was hurting. I've realized it's not worth it.
Living well and being happy did the job for me. While my main life goals have been accomplished, he has nothing. I was actually thinking of writing my own novel about how he got defeated in the end. He may have won the initial battles when he was hurting me and wasting my years of my time but he lost the war in the end.