As desperate human beings, millions of people unknowingly sell their souls to the king of darkness for countless reasons every day, including for money, popularity, and power. People will also sell their souls to the devil in order to escape misery, pain and humiliation in the eyes of others.

Some people love a tough workout, while others not so much. 80% of Americans fail to meet government guidelines for aerobic and strength training, it’s obvious why most of us fall into the second category. A recent study by the University of Freiburg in Germany suggests that just 2 changes can make you enjoy exercise more. Participants with similar fitness levels were asked to ride a stationary bicycle for the same amount of time.