Dieter thought about that question for a moment. What would he say to a suggestion like keeping still? Dieter could do it, no question. There were times, working, when he'd be still for hours.
"I'd say there are reasons that men like me need to unlock every door," he mused. "I have to know what's on the other side. So a threat like that, I would need to know how you would take it into your own hands."
He couldn't just let the mystery go unsolved, after all. He couldn't let the door stay locked.