You don't need makeup to impress guys.
So while maybe a person didnt consciously acquire said eating disorder because it has been found to be genetic and certain neurotransmitters firing or not firing sufficiently can be a trigger they most certainly can be their own solution.
Not because I want people to feel bad, but quite the opposite.
Her diet isn't varied enough but if she's not passing out then she's obviously eating enough fir what she needs.
If you just changed the word skinny to thin it would be very thin which would be skinny.