“Who, then?”

“Nobody. It's your guilty conscience.”

“So? My guilty conscience doesn't trouble me much, when you're not around.”

“How about last night?”

“What do you mean?”

“Why, it kept you awake all night, didn't it?”

“Oh.”

“Well, didn't it?”

“Gammon. I was busy, making my preparations for this evening.”

“Oh, that reminds me. At what time is it your intention to start?”