Dealing with eating disorders is not always an easy task. It requires a great deal of kindness, non-judgement, patience and emotional restraint. Above all, it is essential to define these objectives correctly. Indeed, to think of eliminating thoughts and cravings for food seems unattainable to me, and yet this is often what patients expect from their therapist. When I start therapy, I always make it clear that the aim is not to stop having cravings but to learn to manage them, the aim being to learn to stop eating one's emotions. This article highlights the different reactions and reactions of a patient to cognitive behavioural therapy treatment for her eating disorder following a bariatric operation. It highlights the successive stages of this work, the tools used and some ideas for exercises to be used.