Most Helpful Guy
Many guys probably wouldn't notice, at least not right away, and many guys don't really understand what that means in the first place.
Assuming they understand what anorexia is, I think most guys aren't going to feel differently about the girl; they just want you to be HEALTHY, for your sake. I mean, he won't LIKE that you're anorexic, but that doesn't mean he won't like you, any more that if you had cancer or something. He just doesn't like that something is hurting you.