Why you should hold a grudge against your spouse

Newlyweds who forgave their partner’s bad behavior were more likely to face additional bad behavior the next day compared with those who stayed mad, the study showed. The benefits of forgiveness may need to be weighed against the risks, said study author James McNulty, a psychologist at the University of Tennessee.

“You may feel better if you forgive me,” McNulty told LiveScience. “But the question is, what happens down the road?”