"I think you've given him too much, Tommy," said Tuppence innocently. "I fancy he wants to give some of it back."
It was possibly this remark which induced the driver to move away.
"Well," said Mr. Beresford, at length able to relieve his feelings, "what the—dickens, did you want to take a taxi for?"
"I was afraid I might be late and keep you waiting," said Tuppence gently.
"Afraid—you—might—be—late! Oh, Lord, I give it up!" said Mr. Beresford.