Mating in Captivity by Esther Perel** explores the delicate balance between love and desire in long-term relationships. Challenging the idea that security and passion naturally coexist, Perel examines why erotic spark often fades in committed partnerships—and how couples can rekindle it. Insightful and thought-provoking, this bestselling book redefines intimacy and reveals what it takes to keep desire alive at home.