Claire has pulled back enough to see his face, and she frowns slightly at the question, ready to dismiss it off hand.

"What do you mean before? I've always been here, father has always lived here." The Doctor, she means, but already there are questions she's never thought of before, brimming at the edge of her mind. She's never asked about her mother, where she was born.

"I don't understand why you're asking."