Love Paris, love France and terrible at French! I’ve not had any of the rude Parisian experiences in twenty plus years of regular travel to Paris and France. And I am most definitely animated in speaking and I will always try to speak French and am polite, but can’t speak French well at all. Not sure what cultural differences there are that would be concerning - but living in a house would be more challenging than your own space in an apt or dorm. Navigating Paris I feel much, much safer than I do in London, and have since I first went to Paris. It is a gorgeous, walkable, full of life city and I would highly recommend it. I would also encourage her to take the Chunnel to London and spend some time too. Love the Chunnel, such a fun and easy experience vs flying. Paris is dreamy, my children have been there with me on one on one trips and they love it. They have been to London at least a couple of times, and they like it too, but Paris is special.