Everyone has a friend, but what exactly makes someone good at being a friend? Dr. Jaimie Krems, an assistant professor of psychology at Oklahoma State University, studies the meaning of friendship. We take a scientific look at the psychology of friendship and discuss the surprising answers to some of our biggest friendship questions.

In this episode, Dr. Kenneth Sewell — the school's Vice President of Research — talks with Dr. Krems to discuss what exactly is a friend.