A relationship therapist offers insightful, expert opinions about erotic intelligence, and what drives people to find a special friend, so-called adventures, sexting, one-night encounters, an extramarital affair, and other forms of infidelity. Esther Perel has years of experience advising and coaching couples in the United States and abroad. She wrote “Mating in Captivity: Unlocking Erotic … More Rethinking Infidelity.