The Unforgiveness can be a hidden culprit. It can make us a prisoner within our self. And an unforgiving spirit lives inside us; it is not bothering those who have wronged us? They have gone on their way. But, still holding onto something that has taken control of our thoughts, words and action. It eats away at us just like a poisonous cancer, and we will find our self bound, with no peace and in the reality we are punishing our self.
Choosing to forgive is a choice of our will, when we make that choice our hearts is then open and ready for the Lord’s cleansing. By not choosing to forgive is also a choice of our will, but the door of our hearts is then shut down and God will does not do His cleansing work.