Every other Friday, I provide an update on my exercise goals. In between, I’m writing about mental fitness. In the first edition, I discussed not complaining. Today, I discuss friendship. Or not.I read a book called the 12 Rules for Life that contained some really great advice. One of my favorites was Rule #3: Make friends with people who want the best for you. I … [Read more...] about Zen And The Art Of Mind Maintenance: People Filters