Prostitution in polite society is still a nettle fearfully grasped. You see, society is not polite and it's about time movies stopped peddling that fluff.
The result is a movie that feels more like a lab report than any cogent exploration of the human condition, but again, it's this clinical approach that best approximates the female psyche as girls come of age.
It became clear, as the movie wore on, that Ozon isn't interested in explanations, psychological insights, lessons, judgments, diagnoses, or any of the other stuff that normally preoccupies storytellers.