"I forgot," he said, apologetic.

"I'm afraid I can't help you out," said I.

"Oh, that's all right. I'd just forgotten that I don't smoke."

I pretended not to notice his disconcertion.

"You're to be congratulated; it's a shameful waste of time and money."

"A filthy habit," said he warmly.

"Indeed, yes," I chanted, finding my pipe and tobacco pouch.

He caught my twinkle as I filled and lighted, and looked away, the shadow of a smile lurking beneath his small, closely clipped moustache.

"I beg your pardon," he said a moment later, regarding me with more interest, "but—do you live here?"

"Certainly. Why?"