But that doesn't mean that she wants or needs assistance from a stranger. Maybe she didn't have the opportunity to lock the door before losing her lunch, the lunch she thought she could stomach (she might've had something like just plain rice or chips) and just wanted to finish puking and go on home or back to her office without a lot of fuss. No one knows the circumstances which put that particular woman in that fast food restroom at that time.

It is especially troubling, body policing, sizist and ableist to even entertain the assumption that because someone is very thin and vomiting, that it's evidence of an eating disorder. Statistically speaking, more than 99% of people who vomit on any given day do not have bulimia.