The Science of Apologies

Why is it that when somebody like your husband says, I'm sorry, why is it that that doesn't like a magic spell immediately cancel out the debt? He asks. Why would there have to be something other than words? And if you think about the rationale or the logic of holding grudges, what this is all about is the value of an interpersonal relationship. If I forgive you too quickly, you will, for example, in the future take advantage of me again.