Forget what hurt you and move on. Carrying that baggage will only hurt you. The person who hurt you doesn’t even remember.
You need to set and keep boundaries after forgive someone.
If you cannot take lessons from life’s failures you will never grow!
Mostly, humans don’t forget, but forgiveness removes the sting.
How to Heal your Past? 
Sometimes the people with the worst past 
People who had the worst past 
Forgive those who broke your heart