 Casares took French nationality in 1975 and three years later married André Schlesser, an actor known professionally as "Dade", who had been her longtime companion and theatrical co-star.She published her autobiography, "Résidente privilégiée" ("Privileged Resident") in 1980, in which she described her 16-year affair with Albert Camus.The couple never married, but their extensive correspondence, first published in France in late 2017, lasted from 1944, with a five year break to 1949, when they again had a chance meeting when their passion was rekindled until the end of Camus' life.