“The wages of sin, Watson⁠—the wages of sin!” said he. “Sooner or later it will always come. God knows, there was sin enough,” he added, taking up a brown volume from the table. “Here is the book the woman talked of. If this will not break off the marriage, nothing ever could. But it will, Watson. It must. No self-respecting woman could stand it.”

“It is his love diary?”