Fat Girl Thin

Navaeh has always tried to go by the motto, "Eat until it's enough, not until you're full."

All she seems to do is eat, eat, eat. Until dream boy Logan starts a new term at her college. She stops. Losing weight seems like the only way to make sure the boy she has fallen in love with doesn't make pig noises at the sight of her.

What happens when someone gradually loses too much?