It seemed rank lunacy, but the argument of those twenty pounds would overcome many objections. I followed him to his room.

"Well," said I, "there's only room for one in that bed."

"Only one shall occupy it," said he.

"And the other?"

"Must remain on watch."

"Why?" said I. "One would think you expected to be attacked."

"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.