“Hell is other people.” Have you had moments when you agreed with Jean-Paul Sartre’s famous quote? Do you find those moments happening more often than you care to admit? The truth, says Sheila Heen, co-author of Thanks for the Feedback: The Science and Art of Receiving Feedback Well, is that every relationship takes two people. If you want to learn how to have more productive and happier relationships with others you need to begin by looking at the person in the mirror. In this lesson, Heen t...