The elusive forces behind a person’s ability to exercise willpower have been the subject of increasing scrutiny by the scientific community. Behavioral scientists have been trying to understand why people have so much trouble overcoming bad habits like laziness and procrastination and addictions such as smoking, excessive eating, and abuse of drugs and alcohol. One aspect of overcoming these habits or addictions includes the use of willpower and self-discipline. They make a great difference in everyone’s life, and bring one a sense of inner strength, self-mastery and decisiveness.