Paul’s heart filled with pride as his year end performance review glowed with positive and encouraging feedback. His heart sank to his boots when the expected raise didn’t materialize. The praise and recognition that made him feel validated turned into a silent, choking, disappointing rage of betrayal. Anger sets off a slew of physiological reactions in the body that prepare it to fight for survival. From stress hormones to increased blood flow in certain regions of the brain, anger acts as a fuel, providing the energy that motivates you to act in your own best interests. How you decide to use that energy determines whether you have a positive or negative outcome.