When I was in grade school, I got roughed up regularly by a bully. He promised me that he would always be able to beat me up. I hadn’t seen him in 50 years, until I ran across him in a watch repair shop. Now I was a lot bigger and taller than he was, and I knew I could easily take him in a brawl. He told me that he regretted the way he treated me when were kids. He then noticed that my watch was filthy, and at no charge, he worked on it for a few minutes, until the inside and outside were dust free and immaculate. I left the store disappointed, because once again, he cleaned my clock. What the…