"If I knew, can't say I'd be asking. Might be babbling like the Doctor from time to time, but that doesn't mean I've become him. I don't know, some bloke who just let himself in. Am I supposed to know and you just think I'm stupid or something?"

Wait. How could any old Bloke do that? Let himself in. Wasn't the door locked? Had she wasted all that time pounding on an unlocked door? Had she and Heather locked up when they left? She wasn't sure now.

"And why does it look all different in here?" she asked, realizing what else was bothering her. "Some one let Nardole redecorate or something? Or did you do this?"