Doctors who work in prisons are required to treat all inmates with the same care and respect, regardless of the crime. It is a wise choice to not know the crimes, as knowing them could lead to bias and distract the doctor from his job.
Your answer is bulimia. Or you might be looking for its more medical term which is Bulimia Nervosa. You can remember this by the fact that binge and bulimia both start with a B. Good Luck!
First of all i would ignore it i would also try to express your feelings and write your feelings in a diary and last but not least i would see a therapist to talk about your personal problems