Without physical exercise, physical health suffers. Symptoms might be weight gain, heart disease, or a host of other maladies such as diabetes. Don't let your mental health get flabby either. The symptoms include negativity, fear, and overreaction to unpleasant daily stressors or undesirable events. Mental health fitness isn't a willpower thing. It's the result of engaging purposefully in positive thinking exercises for improved mental health. What cognitive exercise or uplifting activity for a positive mental attitude will work for you? "Just do it!"