If this is her first time in France, please tell her that the remove indifference she will be faced with has nothing to do with her being American. We are much

If this is her first time in France, please tell her that the remove indifference she will be faced with has nothing to do with her being American. We are much less "surface friendly" then in the US - this is particularly visible in shops and restaurants. Nobody will greet her as if she was a long time friend. I would say this is probably the only thing that she will notice. Ah yes, and kilograms, meters and celsius. And people crossing the street on red light. And people saying fuck rather than f**k.