Well, I'm sure it worked. [They're dumb enough for that...] But I won't have any fighting under my roof, do you understand? If you want to cause trouble, wait until you get home.
[In other words, wait until she's not responsible for you. She's hoping Arthur isn't going to fight France when he's in this state anyway, but she can't be sure how it'll work out.]
[Action]
[In other words, wait until she's not responsible for you. She's hoping Arthur isn't going to fight France when he's in this state anyway, but she can't be sure how it'll work out.]
What year is it?