Mend hearts.

Meaning: This means to help someone who is emotionally hurt or upset feel better. It's like saying, Mending someone's heart can help them feel better and happier.

Choice of Words: Mend is a verb that means to repair or fix something that is broken or damaged. Hearts is a noun that refers to the center of a person's emotions and feelings. Together, "Mend hearts" suggests the idea of repairing and healing emotional pain.