0928 When I fail to do what I know I should, my mental well-being tends to deteriorate. Well then, another day begins. "Waste no more time arguing what a good man should be. Be one." -- Marcus Aurelius I always listen to his lectures. Arthur Brooks, professor at Harvard University 0925 Another cup of tea to refresh myself. I took a good look at my lower body for the first time in quite a while and realized that it has become surprisingly muscular without going to the gym. I've put an enormous amount of work into training, and I now have far more stamina than I did when I was a teenager. And my cat is ridiculously adorable. Company presidents come over to say hello to me, and I'm on good terms with my ex wife. I have more than enough reasons to be happy. Social comparison breeds unhappiness. What matters is not how others are doing. Their lives are beside the point. What matters profoundly is our ability to remain attuned to our own way of being. "It i...