" Theo came up to her. “So much is now clear to me that was heretofore murky.”
“Heretofore?”
“It slipped out. But there's one thing I still don't understand. How did you manage the clock?”
“I have no idea what you're talking about.”
….................
“You slipped in the turret while I was asleep and changed the clock battery. I should have figured that out a long time ago.”
“It's not your fault that you're slow. I'm sure it's hard to recover from being hit on the head with a silver spoon. "

― Susan Elizabeth Phillips , Heroes Are My Weakness