Chess tips. Josh Waitzkin is eight-time national chess champion, world t'ai chi chuan competitor and executive coach to the world's top financial leaders. These are nine tips he offers for how to master anything, at any age.
Using your non-dominant hand to do habitual tasks for two weeks can help calm your temper. Studies show people with anger issues also lack self-control, which can be strengthened like a muscle, and the annoyance of doing things with the wrong hand.