He really was that disingenuous, she decided. Wilfully so, perhaps, because he'd lived too long for there to not be some kind of awareness operating in there, but it was too thorough to be an act.

It was sort of endearing.

Still grinning broadly, she reached up and tapped his lips with her index finger. "That mouth is going to get you in terrible trouble, one way or the other. If it hasn't already," she teased. She chose for the moment to stifle the urge to say something cheerfully salacious like feel free to lick me anytime, hilarious though his reaction would have been.

(She tried to remember if he'd ever told her exactly what a Dalek was. She was pretty sure she'd heard that word before.)