Sweat out tension with a good workout. Fitness is not just about your body but it is also about your mind and spirit. You can De-stress and get fit with a workout of 15-20 minutes. A workout that targets your ABS, arms, and legs makes you mentally and physically fit. The slow movements during workout and breathing restore your calm. Exercise in almost any form always works as a stress reliever. Being active can boost your feel-good endorphins. It also helps you to distract you for some time from your worries.