The Greatest Cure Known . Emotions are strange. They do not always respond to reason. But they respond to action. If you have occasional feelings of loneliness, discouragement or discontentment, the best way to kill such negative emotions is to work them to death. . . .
Physical labor can help.
Choose a task that doesn't require a great deal of concentration, and then focus on accomplishing the task at hand. When you feel bad, dwelling on your misfortunes will only make you feel worse. Do you best to put them out of your mind and think about more positive, constructive things. Napoleon Hill's Positive Action Plan. Interpreted and updated by Michael J. Ritt, Jr. and Samuel A. Cypert.