"I promised you France at some point, didn't I? If you're still interested, we can go for your Christmas break. The entire time, just the two of us. Where we can be with each other like we should be."
Even though her eighteenth birthday is fast approaching, and she promises to dissolve his guardianship, there are still social conventions they'll be defying once they become more officially a couple. It will be nice to start that somewhere he isn't as well known.