Iconic couples? therapist and bestselling author of Mating in Captivity Esther Perel returns with a provocative look at relationships through the lens of infidelity.Affairs, she argues, have a lot to teach us about the human heart?what we expect, what we think we want, and what we feel entitled to. They offer a unique window into our personal and cultural attitudes about love, lust, and commitment. Through examining illicit love from multiple angles, Perel invites readers into an honest, enlightened, and entertaining exploration of modern marriage in its many variations.