I shan't tell you who he is.

I'll leave you to find out--if you can.

But I don't believe you will." "I am quite sure I can tell the difference between a looker-on, a mere loafer, and a man who does," said Molly, with absolute confidence.
"Bet you you don't!" murmured Bertie Richmond, smiling at the ceiling.
"I know the woman's theory so jolly well." Molly smiled also.
"I'll take your bet, whatever it is, Bertie," she said.
Bertie shook his head.
"No, I don't bet on a dead cert," he said comfortably.

"I'll even tell you the fellow's heroic deeds, and then you'll never spot him.

I met him first in South Africa.