It is the holding of the anger, allowing it to become unforgiveness, that is sinful and internally damaging. When such reactions are ignored, they fester and cause problems more serious than the original wounds. They become infected and refuse to go away. Those who have intentionally or unintentionally harbored such attitudes need freedom from the internal damage produced by them. For example, someone harboring unforgiveness and anger or hatred over a period of time sustains great emotional damage,