“What is it? You are not attending to what I say.”

“It is true, my friend. I am much worried.”

“Why?”

“Because Mademoiselle Cynthia does not take sugar in her coffee.”

“What? You cannot be serious?”

“But I am most serious. Ah, there is something there that I do not understand. My instinct was right.”

“What instinct?”

“The instinct that led me to insist on examining those coffee-cups. Chut! no more now!”

We followed John into his study, and he closed the door behind us.