I took out a hundred franc note and gave it to him.
"Thank you, so much," he said, thrusting it into his waistcoat pocket, "it's very kind of you." "You will turn up to-morrow at lunch at one ?" I said, as I put him into the little brougham.
"Yes, of course, yes," he cried, and I turned away.
Next day at lunch he seemed to meet me with some embarrassment: "Frank, I want to ask you something.

I'm really confused about last night; we dined most wisely, if too well.

This morning I found you had given me a cheque, and I found besides in my waistcoat pocket a note for a hundred francs.

Did I ask you for it at the end?
'Tap' you, the French call it," he added, trying to laugh.
I nodded.
"How dreadful!" he cried.

"How dreadful poverty is! I had forgotten that you had given me a cheque, and I was so hard up, so afraid you might go away without giving me anything, that I asked you for it.