long. In all probability I shall return tomorrow. I do not propose that you should accompany me. Remain here and keep an eye on Giraud. Also cultivate the society of M. Renauld fils. And thirdly, if you wish, endeavour to cut him out with Mademoiselle Marthe. But I fear you will not have great success.”
I did not quite relish the last remark.
“That reminds me,” I said. “I meant to ask you how you knew about those two?”
“Mon ami—I know human nature. Throw together a boy young Renauld and a beautiful girl like Mademoiselle Marthe, and the result is almost inevitable. Then, the quarrel! It was money or a woman and, remembering Léonie’s description of the lad’s anger, I decided on the latter. So I made my guess—and I was right.”
“And that was why you warned me against setting my heart on the lady? You already suspected that she loved young Renauld?”
Poirot smiled.
“At any rate—I saw that she had anxious eyes. That is how always think of Mademoiselle Daubreuil as the girl with the anxious eyes. …”
His voice was so grave that it impressed me uncomfortably.
“What do you mean by that, Poirot?”
“I fancy, my friend, that we shall see before very long. But I must start.”
“You’ve oceans of time.”
“Perhaps—perhaps. But I like plenty of leisure at the station. I do not wish to rush, to hurry, to excite myself.”
“At all events,” I said, rising, “I will come and see you off.”
“You will do nothing of the sort. I forbid it.”
He was so peremptory that I stared at him in surprise. He nodded emphatically.
“I mean it, mon ami. Au revoir! You permit that I
