In this case of binge eating, sometimes they will make a batch of extra food to consume privately. Next would be new diets or food obsessions. Be alert for someone who shows other symptoms of an eating disorder after beginning a fad diet. Claiming to be gluten free. Sugar free can be a smoke screen for disordered eating habits. Maybe someone you know has started spending impulsively at their diet changes a lot. This tends to be new diet products, so called superfoods or fitness related foods