Imagine that your national football team has to play against the team of a neighboring country. You are very excited about this event and invited your friends over to watch the game together. When the other team scores a second goal and is winning, you see that the football fans of that team are burning your national flag in the stadium. How would you feel, if that were to happen? What would you think about the football fans of the other team? How would you react? In such a situation, you may become very angry and ashamed, and it is most likely that you will feel humiliated. Your country is...

Anger is defined as an unpleasant feeling that results from an unpleasant event and it is, therefore, not particularly surprising that so many people dismiss it as a pointless emotion. However, anger has proven to confer a great number of evolutionary benefits on those who utilize it, including (1) improving one’s bargaining position, (2) ensuring the wellbeing of society, (3) signalling to others that you care about the wellbeing of society, and (4) convincing authors to not begin abstracts with definitions or end them with extreme overgeneralizations. It is because of these benefits that...