Ah, my friend takes meds for depression/anxiety, so maybe those are actually helping her at this point to stick to her chosen diet. She was vegetarian for about a week and felt that it wasn't quite right for her, so she went vegan.

*handwaves* As a die-hard carnivore, I wished she'd been satisfied with vegetarianism. Just easier for her friends and family to cope with, you know?

Now she's a raw vegan, but makes exceptions when she's eating out. Not a whole lot of choice, really!