For many of us, staying healthy during quarantine has required creativity and ingenuity. Cans of soup turned into weights, fitness apps abounded, and some people even made treadmills out of soap and water. Those of us who live with a partner or roommate have yet another fitness opportunity: partner workouts—but not the kind you normally see. We spoke to Carolyn Brenith about the benefits of working out together, in preparation for her class Stronger Together: A Partners Workout.