"Perhaps," he said with a smile that was certainly off in another place.
Truthfully, he was sort of disappointed. He thought he might be able to come clean with Shannon and be honest. She, after all, had been fairly honest with him, hadn't she? Still, it wasn't the time, not the time at all. To try and say he was a time traveling alien was a delicate enough subject as it was. Best left unsaid.
When she snorted the Doctor sort of snapped out of it, canting his head a little in amusement - apparently something very funny had just passed her mind.
"Oh yes, I'll be just fine," he remarked, not too worried about sitting the dark for a while. He'd been sleeping practically out in the open at the carnival as it was, so the museum lent itself to a certain additional amount of security.