The other day I forgave someone for something that caused a deep sadness inside of my heart, a lingering pain, even though we had had an “everything is fine now” status for years. Afterwards, I noticed a considerable change. I was more relaxed, and felt happier (even still) than I have been. We can have an intellectual knowing of forgiveness, but when it comes down to it, the feelings and the thoughts that come from the heart are the main substance of our existence. I'd pret...