When you exercise, your body releases “feel good” chemicals known as endorphin's which relieve stress and trigger positive feelings.
Regular exercise makes your immune system stronger. Remaining illness-free gives you a sense of pride.
Exercise keeps your body in shape which improves your body image. Feeling good about the way you look pumps up your self-esteem.
As you stick to your exercise regimen, you feel in control. It becomes a reliable anchor in your life, and having something to consistently look forward to breeds confidence.