In this episode we share with you some of the highlights of our conversations about friendship. Are women's friendships different than men's? How do you define a "close" friend? How is social media changing our friendships? We talked about those things with Deborah Tannen, who's a professor of linguistics at Georgetown University and author of many books on friendship, as well as psychotherapist Diane Barth, who has also studied and written a lot about friendship.

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