Are We Obligated to Forgive?

 https://aish.com/are-we-obligated-to-forgive

The truth is, although you feel you must forgive everyone who has hurt you, that is really not the case. Jewish law advises that we be forgiving to our fellow, but that is referring specifically to if the person truly regrets what he did and comes to beg our forgiveness. If (and only if) that occurs, we are told to open our hearts and accepts his apology.

If, however, a person hurt you and does not even care, you most certainly do not have to magically erase all your hurt and forgive him. Forgiveness comes after the apology and resolution, not before.