We have learned that forgiveness is an action and not a feeling. This is a choice you make to free yourself from the weigh you feel inside.  Sometimes, when we speak of forgiving those who wrong us, we still harbor feelings of anger, resentment or hate.  This adds to the difficulties we face in trying to forgive and forget the deeds of others. You know that the anger feeds your thoughts and the thoughts feed the anger. This cycle must be broken. Forgetting does not mean the thought is wiped from your memory. In this case, it is saying YOU FORGOT TO THINK ABOUT THEM TODAY. It is saying that you did not dwell on them and the wrongs they done you. Because your mind was occupied with other thoughts today. These thoughts, for reasons that you cannot explain, were filling you with peace. You forgot to think about them today, because the thoughts you were having, made you glad to be alive. 

The Bible tells us that all things are possible with GOD. So saying we cannot forget, is limiting God, and causing us to miss our blessings and healing. God forgave you when you came to Him in repentance. As far as the east is from the west, so far has He removed our transgressions from us.

Read psalms 103:12; Isaiah 44:22, Micah 7:19.

Scripture promises that when God forgives, He also forgets. Their sin I will remember no more (Jer. 31:34c). Since God forgives and forgets..., you are capable of doing it too.