Three Keys to Make and Keep Adult Friendships

For many, making friends seemed a lot easier when we were kids than it is now in adulthood. Why is it that as we age, the art of making and keeping close friends becomes so difficult? Dr. Marisa Franco, a psychologist and professor, and author of "Platonic: How the Science of Attachment Can Help You Make-and Keep-Friends," offers three keys to help you make and keep adult friendships.