Everyone remembers where they came from, we all remember the highs and the lows of our childhood. We remember the disappointments and who caused it.
Dont hate her or feel sorry for her. Feel nothing, she does not deserve your energy or head space.
Every single one of us - good and bad hate how divorce affects kids. We know they are the losers in all this. All we can do is love them and not add to there burden or pain. Hating their mother would indeed do that to them while they are kids.