“Daytimers. Sunnysides. What do you call us behind our backs?""Dinner."This shuts me up until we reach my door.”

“How are you, Rory?' [the Doctor] asked.I [Rory]... answered him. 'It's been odd being you.''Isn't it?' The Doctor's smile didn't quite reach his eyes.'How do you cope?''Ah...' The Doctor picked away at a scrap of loose paint on the door. 'Well, I just get as close as I can to a happy ending, then I shut the door behind me and move on.'I nodded.We shut the door behind us and moved on.”

“They're safe,'' he said. "And you're not made of glass". He swept me up in his arms.I laughed. "And I'm not made of glass."He carried me into our room and kicked the door shut behind us.”

“It is always important to know when something has reached its end. Closing circles, shutting doors, finishing chapters, it doesn’t matter what we call it; what matters is to leave in the past those moments in life that are over. Slowly, I began to realize that I could not go back and force things to be as they once were: those two years, which up until then had seemed an endless inferno, were now beginning to show me their true meaning.”

“You left me."Not realizing until I've said my final good-bye and closed the door behind me, that he's not referring to the past.He's prophesying our future.”

“What is it?' Stephanie whispered.'That, my dear Valkyrie, is what we call a monster.'She looked at Skulduggery. 'You don't know what it is, do you?''I told you what it is, it's a horrible monster. Now shut up before it comes over here and eats us.”