Well, since the underlying problem is control, not actually the food she eats... Maybe if you let her control the actual food items she eats as long as it provides the number of calories you want her to have... it might make it easier for her to avoid purging... JMHO
Another thing... have you checked her thyroid? Many people with bulimia are depressed... The triggering factor in your D's case may well have been your family's past conflict, but that would be a diagnosis of exclusion...
"You don't throw a whole life away just 'cause it's banged up a little"
Tom Smith in "Seabiscuit"
