There are no set rules for treating adolescent girls with anorexia; each case is unique. The decision to hospitalize must be made jointly by the healthcare professionals, the adolescent, and her family. No single model prevails among psychotherapies, nutritional approaches, and psychotropic medications. For Professor Corcos and the team in the Department of Adolescent and Young Adult Psychiatry at the Institut Mutualiste Montsouris in Paris, what matters most is personalized and continuous care.