The Italian Emotion is a phenomenon experienced when life sends hard times your way. It is made up of Fury, Sadness, Melancholy, and Total Determination. It is often experienced after something entirely awful happens. Depending on the circumstances, the amount of each emotion varies.
My girlfriend broke up with me after we had been going out for a year, then had the balls to tell me to my face that she and another guy had been in each others pants 2 days after the break up! Then the Italian Emotion kicked in, and I broke the other guys face apart with my brass knuckles!