She smiled back rather than answer, because her interest in conversation was waning considerably quickly. They'd have much more time to speak later. Later, once he'd realized she really was different now. Maybe even if he chose to exile her from the TARDIS.

She pushed herself up on an elbow, and reached up to touch his cheek softly. It was better than fidgeting and flushing under his scrutiny like she was tempted to. "Doctor..."