If, when Odette, in the street, had acknowledged the salute of a passer-by, which had aroused Swann's jealousy, she replied to his questions by associating the stranger with any of the two or three paramount duties of which she had often spoken to him; if, for instance, she said: "That's a gentleman who was in my friend's box the other day; the one I go to the Hippodrome with," that explanation would set Swann's suspicions at rest; it was, after all, inevitable that this friend should have other guests than Odette in her box at the Hippodrome, but he had never sought to form or succeeded in forming any coherent impression of them.