"Nothing."
Bob got up and sauntered to the door.
"Will you stay right here like a decent chap and not get into any more mischief until I get back?"
"Where are you going?"
"Nowhere much—just across the campus for a little while. I'll be back soon. Will you wait here exactly where you are?"
"Yes, but—"
"Honor bright?"
"Sure!"
"All right. Don't quit this room until I come. So long!"
Bob was gone.