Jan YagerJan Yager, Ph.D., is a sociologist and the author of Friendshifts(R) The Power of Friendship and How It Shapes Our Lives. Recognized as the number one expert on friendship in the country, she has been seen and heard on Oprah, The View, The O'Reilly Fctor, and NPR, as well as on numerous other national television and radio programs. She lives in Fairfield County, Connecticut. Read More Read Less