Somehow he had not thought that Bobbie would be playing while in the room above someone was having a broken bone set.
"Oh, no!" said Bobbie, "not at PRISONERS.

We were playing at setting bones.

Peter's the broken boner, and I was the doctor." The Doctor frowned.
"Then I must say," he said, and he said it rather sternly, "that's it's a very heartless game.

Haven't you enough imagination even to faintly picture what's been going on upstairs?
That poor chap, with the drops of sweat on his forehead, and biting his lips so as not to cry out, and every touch on his leg agony and--" "YOU ought to be tied up," said Phyllis; "you're as bad as--" "Hush," said Bobbie; "I'm sorry, but we weren't heartless, really." "I was, I suppose," said Peter, crossly.

"All right, Bobbie, don't you go on being noble and screening me, because I jolly well won't have it.
It was only that I kept on talking about blood and wounds.