This article does a good job of describing just how different the legal system in France is, relative to what many seem to expect in North America, which can add colour and context to the conversation.
For folk looking to educate themselves on the relevant laws, it's probably also worth checking out the wikipedia article on age of consent by US state, second below. Considering the many threads here, may be very surprised to find out what your local laws currently look like (and, if unhappy with them, be motivated to change)
https://en.wikipedia.org/wiki/Ages_of_consent_in_the_United_States