"I think I can understand.

At any rate, it don't matter very much just at present about telling me, you know." The sleepless man thrust his knuckles into his eyes and rubbed them.
Isbister talked for awhile while this rubbing continued, and then he had a fresh idea.

"Come down to my room," he said, "and try a pipe.

I can show you some sketches of this Blackapit.

If you'd care ?" The other rose obediently and followed him down the steep.
Several times Isbister heard him stumble as they came down, and his movements were slow and hesitating.