A man can change. A man can be forgiven. A man can, over time, earn back trust. A man cannot expect to be trusted until he has proven time and again he is in fact trustworthy. In fact, the process of earning trust is how one becomes trustworthy. If an untrustworthy person is not held to a requirement to earn trust how will he become trustworthy? Giving forgiveness and unearned trust can be tragic for the untrustworthy person as well as the one giving the unearned trust.