Forgiving an Affair

The discovery of an affair will attack you with shock, anger and numbness. No matter what way you choose to react, your surroundings will look the same afterwards because you have not yet started coping with what has transpired. You find that you are suddenly lost due to being caught off guard. You never thought this would happen to you. So when it does, what should you do when this painful truth is revealed and how can you forgive it?