I must confess, I had that thought. But remembering how many times he had proved my real Guardian-angel and how often he had saved me, I stepped towards him and with courage and warm assurance I stretched out my hand and tore off the sheet. S- turned around. The little drills sank quickly into me to the bottom and found something there. Then he lifted his left brow, winked toward the wall where “Mephi” had been hanging a minute ago. The tail of his little smile twinkled even with a certain pleasure which greatly surprised me. But why should I be surprised? A doctor always prefers a temperature of 40° C and a rash to the slow, languid rise of the temperature during the period of incubation of a disease; it enables him to determine the character of the disease. Mephi broke out today on the walls like a rash. I understood his smile.