my best advise would be to remember how you felt. i know it’s hard when you erase your feelings and replace them with theirs, but i find writing my feelings down in the moment i’m feeling them helps solidify them. usually if someone did something wrong, especially to you, and you feel bad about it, even understanding their POV doesn’t justify or excuse their actions, it just explains them and gives them context. having something to look back on and remind you how you felt might ground you