I crammed my hat on a little tighter.
"Nothing at all," I said, hurriedly. "It's—it's rather warm work, you know, walking in this weather."
But I could see he didn't believe me.
"Seen Tommy?" he asked.
"Yes."
"Been fooling up the stream, I suppose?"
I coloured.
"No, of course not—er, that is, yes——Tommy has."
The doctor smiled.