The Star of Egypt

"Where were you last night around ten o'clock?"

"Ten o'clock?" Peggy thinks. "I think I was working."

"Can you prove that?" you ask as nicely as you can manage.

"Why should I?" Peggy snaps. "It's not like it's any of your business what I do with my time, anyway!"

"Alright, I'm sorry for pushing," you admit. "You're right, it's none of my business."