"Biting? Where in the world did you pick up biting?" the Doctor inquired. "Though I suppose it doesn't matter. Always been a precocious minx, you have. And which friend would you have?" He took her hand and grinned, gently pulling her along to the kitchen and the prospect of bananas. Now that she mentioned it, a little something to eat sounded good. Very good. In fact, he was bit bemused that he hadn't noticed he was hungry earlier.