He went on, telling how sickness had come, one thing following another; how Dr. Schwitz had promised that his charges should be small, but how he never would give in his bill, the policeman and his wife thinking all the while that it was kindness which kept him from doing so; how it had taken every cent of his salary to pay the other expenses of illness, and keep the family barely warmed and fed; of the disappointment of their hopes for Willie for, at least, some time to come; and finally of the terrible bill which Dr. Schwitz had sent through revenge, the police-sergeant thought, and upon the prompt payment of which he was now insisting.