He thought the clerk had charged him twice for an item. He was demanding that every item be rechecked. He poured out his fury on the cashier until finally she called for the manager. While they rechecked each item, the man continued to pour out his anger. When the items were rechecked, they found that there was no discrepancy at all.
Anger is one of the most difficult areas of our lives.
We are not quite sure what to do with it. When the Ancient theologians made up a list of Seven Deadly Sins, they put pride at the head of the list. But following close on the heels of pride came anger. It is a sin that seems to infect us all. No one is immune.