Well... they had been flirting with each other in the car.
I wasn't flirting with him.
However, if your partner suddenly seems more concerned about having a private conversation - especially if that conversation looks (from the outside) like flirting - it may be time to get some honest conversation.
Rather a relationship of that nature--even if it's innocuous--is hidden from public view.In France, flirting and flattery is commonplace and is often done without the sexual undertones that you might find in the United States.
His gentle flirting reminded her of how charismatic he could be, when not telling her she was getting ready to die.