"Anticipating? How do you know it is not a man I am in search of?" demanded Harren.
"Captain Harren, you are unmarried and have no son; you have no father, no brother, no sister. Therefore I infer—several things—for example, that you are in love."
"I? In love?"
"Desperately, Captain."
"Your inferences seem to satisfy you, at least," said Harren almost sullenly, "but they don't satisfy me—clever as they appear to be."
"Exactly. Then you are not in love?"
"I don't know whether I am or not."
"I do," said the Tracer of Lost Persons.
"Then you know more than I," retorted Harren sharply.
"But that is my business—to know more than you do," returned Mr. Keen patiently. "Else why are you here to consult me?" And as Harren made no reply: "I have seen thousands and thousands of people in love. I have reduced the superficial muscular phenomena and facial symptomatic aspect of such people to an exact science founded upon a schedule approximating the Bertillon system of records. And," he added, smiling, "out of the twenty-seven known vocal variations your voice betrays twenty-five unmistakable symptoms; and out of the sixteen reflex muscular symptoms your face has furnished six, your hands three, your limbs and feet six. Then there are other superficial symptoms—"