“But Madam Mina told me you were ill, that you had had a shock.” It was so funny to hear my wife called “Madam Mina” by this kindly, strong-faced old man. I smiled, and said:⁠—

“I was ill, I have had a shock; but you have cured me already.”

“And how?”

“By your letter to Mina last night. I was in doubt, and then everything took a hue of unreality, and I did not know what to trust, even the evidence of my own senses. Not knowing what to trust, I did not know what to do; and so had only to keep on working in what had hitherto been the groove of my life. The groove ceased to avail me, and I mistrusted myself. Doctor, you don’t know what it is to doubt everything, even yourself. No, you don’t; you couldn’t with eyebrows like yours.” He seemed pleased, and laughed as he said:⁠—