Michael Jordan used anger and insults to play better on the basketball court. He often made up stories about people being mean to him so he could find the energy to win. Other famous people like Tom Brady and Walt Disney also used negative feelings to work harder and prove others wrong. This explains how a short burst of frustration can give you focus and help you finish difficult tasks. You will see how to use this dark side of motivation to reach your goals without letting it hurt your health or your friends.