A few years ago, my doctor gave me a stern talk about my health. I took his words to heart and began going to the gym and adjusting my diet. Over time, both my cholesterol and my weight went down, and my self-esteem went up. But then something not so good happened: I began noticing other people’s dietary choices and judging them. Isn’t it funny that often when we find a scoring system that grades us well, we use it to lift ourselves up and put others down. It seems to be an innate human tendency to cling to self-made…