When reminded of cruel treatment she had received, Clara Barton, the founder of the American Red Cross, is reported to have replied, "I distinctly remember forgetting that!" There is much to be said for the ability to forget the mistakes, hurts, grievances, accidents, or tragedies of the past.
I had been accepted into a well-known opera workshop, and almost immediately I was warned, "Now don't be too generous toward other singers or put yourself down.