"Yes, actually. But it's the thought that counts and I don't have a copy of it here." River smiles and pats his hand affectionately, trying to draw his scrutinizing gaze away from her face. She knew he was trying desperately to fit the pieces of the puzzle that was River Song into one coherent picture.

"I'm not quite fully human, if that's what you're thinking of asking. I did come from fully human parents though. I'm just that little extra 10% different." No sense in lying. She just didn't mention she was the human equivalent of a Time Lord.