"No. Just checking up."
"Well," said the waiter cheerfully, "they ought to keep him at home. See here?" He pointed to the two untouched drinks that stood at one side of the table, opposite where the tall man had been sitting. "Sits here for over half an hour -- buys four drinks, leaves two of them setting there. And talks, like there was somebody with him. You know him? Is he crazy or what?"
"Not crazy," said Dr. Kusko gently. "Some would call him 'disturbed,' but he's harmless -- now."