"Appears the whole world is in a sort of civil war, then? Over a question about who would win at a fight?" the Doctor sighed. "I'm sorry, Rose. I had hoped for a significantly quieter lunch break for us both."

And, before he could stop himself, he added: "You know, with the fun sort of adventures we usually tend to find where I can look amazingly brilliant and not have to pay for overpriced food."

He expression on his face went from irritated but calm to completely embarrassed.

"Well, at least we know the stuff works."