Be a good friend–and don’t tolerate those who aren’t

When Friendship Hurts: Dr. Jan Yager
Touchstone, 2002

Resolving friendship problems: Dr. Irene Levine

10 tips for healthy friendships: Kansas State University

The negative health effects of bad friends: New York Times

What sets friendships apart from other relationships: Ohio University

Tips for communicating effectively with your friend: ReachOut.com