simple - she needs and wants a boyfriend.
best wishes-
unfortunately these things are largely genetic- to be able to survive on very little food is a huge advantage at a time of famine- nearly all of history.
Be wary of quick fixes and psychobabble.
love is necessary, but not sufficient.
"simple - she needs and wants a boyfriend."
No, it is not simple, and that's probably not what she wants. There are people here giving this man good advice. Your simplistic little message demonstrates nothing except that you do not understand anorexia.
Go do some research.
Perhaps. Maybe. Perhaps. Probably not. Maybe. That's probably part of it, at any rate.