12. Gossiping
Gossiping might be fun in the moment, but it’s only going to hurt people’s feelings down the line. Plus, “gossip makes the gossiper look bad,” says Tina B. Tessina, PhD, a psychotherapist and author of Dr. Romance’s Guide to Finding Love Today. “When you’re tempted to talk about someone else, use your grandmother’s advice: If you can’t say something nice, don’t say anything at all.”