Share 'How have you dealt with UN-forgiveness and Anger , Stolen Identity'

I'm starting this discussion to find out how others have dealt with unforgiveness. How you overcame it, what was the result of it and so forth.  I'm currently struggling with unforgiveness. I know without a doubt that forgiving frees me. Forgiving them allows God to start working on my behalf. He said vengeance is His. Sometimes I would say it, I forgive him but then bitter memory will come to me…