How many times do we pay for one mistake?

The answer is thousands of times.

The human is the only animal on earth that pays a thousand times for the same mistake. The rest of the animals pay once for every mistake they make. But not us. We have a powerful memory. We make a mistake, we judge ourselves, we find ourselves guilty, and we punish ourselves. If justice exists, then that was enough; we don't need to do it again. But every time we remember, we judge ourselves again, we are guilty again, and we punish ourselves again, and again, and again. If we have a wife or husband he or she also reminds us of the mistake, so we can judge ourselves again, punish ourselves again, and find ourselves guilty again. Is this fair?

-Don Miguel Ruiz