A new study proved that women hold grudges and stay angry longer than men. Researchers at Harvard studied videos of sports like tennis and boxing from 44 different countries to see how men and woman interacted with their opponents after a match. They found that men were much friendlier with each other, and were more likely to give each other a handshake or hug.

Researchers say there’s actually an evolutionary reason why men are quicker to forgive then women- men originally had to work together to hunt or defend their tribe, while women just took care of their own family. Read more about the study here.

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