Are you a grudge-holder. Do you go around making lists of everything that is unfair in the world? If so, you are participating in an age-old practice that is linked to our evolutionary history, according Nando Pelusi in "Injustice collecting" in Psychology Today magazine.
Nando says that it’s particularly difficult to let go of grudges because there are high emotional payoffs. This, he says, is a sensible motive because our ancestors had a huge investment in making sure they got their fair share in the ancient world—a place where unfairness could result in the death of you and all the people in your voluntary collective. This gives humans a reason to be hypervigilant when it comes to uncovering cheaters or swindlers.
Injustice collecting, however, entails more than resentment toward those who are benefiting unjustly. It is, as Nando points out, resentment building on a mass scale. We become outraged when the world isn’t absolutely fair, and this can lead to unending anger, hopelessness and depression. It is also a way to avoid responsibility for our personal circumstances. But how do we change something that seems to be so hard-wired into our systems? Nando makes these suggestions for giving up a grudge and moving on: