“Perhaps I do.”
“In that case, why not lock your door?”
“Perhaps I want to be attacked.”
It looked more and more like lunacy. However, there was nothing for it but to submit. I shrugged my shoulders and sat down in the arm-chair beside the empty fireplace.
“I am to remain on watch, then?” said I, ruefully.
“We will divide the night. If you will watch until two, I will watch the remainder.”
“Very good.”
“Call me at two o’clock, then.”
“I will do so.”
“Keep your ears open, and if you hear any sounds wake me instantly—instantly, you hear?”