The main difference between diagnoses is that anorexia nervosa is a syndrome of self-starvation involving significant weight loss of 15 percent or more of ideal body weight, whereas patients with bulimia nervosa are, by definition, at normal weight or above.
i think that you should just say ok and keep track on his phone and see what he is doing?? Just confront him about it and tell him how you feel about that you being his only girl, that you dont see that at all.
It helps prevent illness because they washed their hands and if they didn't 1 that would be nasty and 2 no one want pee or poop on their food that they are going to eat.