When you exercise, your body releases chemicals called endorphins. They interact with the receptors in your brain that reduce the perception of pain. Endorphins trigger a positive feeling in the body, similar to that of morphine. Research shows that exercise is an effective but underused treatment for mild to moderate depression.
This is what happens when you put off your workout all day. It's midnight here and I was about to just put it off until tomorrow but I remembered this quote. So heading downstairs now to do Lower Fix Extreme. No excuses for this procrastinator.