2. Asking a friend to take sides and choose between you and another friend.
3.Breaking a promise or telling a secret.
4. Being bossy.
5. Bragging or showing off.
6. Leaving someone out-and letting him or her know it in a mean way.
7. Being jealous of or competing with your friend.
8. Saying something unkind about your friend or his or her loved ones.
9. Embarrassing your friend in front of others.
10. Being too busy to listen.