FORGIVENESS is not something will do for others. But something we do for ourselves to move on with life.
It is quite difficult to forgive someone when we've been deeply hurt. More especially when the hurt has created a memory. That's were forgetting comes in, forgetting a hurt is not as easy as it seems. It only takes the special grace of God to forget a hurt and put it behind.
In cases like this, its very difficult to forget. The truth must be told. But there's no need of holding the hurt because the more we hold such incident to heart the more it creates hate in our heart. Which makes one miserable.
Unforgiveness does more damage to the person in which it is stored than the vessel in which it is poured. Forgive and forget the man, nothing will annoy him more than that. No matter how difficult it may be. It will save the girl from the expense of anger, the high cost of hatred and waste of energy.
She just have to try and put the memory behind even if she's still seeing the man. Because if she doesn't do so, hatred and bitterness will set in. Which might create the thought of revenge. And these are luxuries non of us can afford.
To forgive and forget is to set a prisoner free and discover the prisoner was YOU (Unknown).