E580 - Forgiveness is possible when you understand what it means.

Jonah didn't want to forgive even though he had been forgiven much.

Most people misunderstand forgiveness thinking God is asking them to do something He would never ask them to do.

Forgiveness is turning vengeance over to Him. 

People naturally don't want to forgive; consequently, we make excuses which cause us to misunderstood what God is asking us.