1. Make a funny joke to make smile.2. Calm them down.3.If your the one who make them cry apologize.4. Write a letter to make them feel better.5. If you break up with your friend try to be friends again that way both of you can cheer up.6. Write a letter to make them feel better.7. IF both of you make mistake talk about it right away that way you guys can cheer up and be friends again.