A study at Northern Illinois University found that bosses who exercised were kinder to their employees than bosses who didn't exercise. And the kindness effect didn't require a lot of exercise. Once or twice a week did the trick.
This is, of course, true for anyone. You will be kinder to your spouse, your kids, your friends, and your co-workers if you exercise.
Why? Exercise improves your mood. “People who exercise tend to have positive moods and to react less to stressful events, which means that they’re also less likely to abuse their employees,” says study author James Burton.
It doesn't take much to make a noticeable difference in your mood. Don't know where to start? Read what Jack LaLanne recommended.