“So, as time went on, the Doctor got more and more animals; and the people who came to see him got less and less. Till at last he had no one left–except the Cat’s-meat-Man, who didn’t mind any kind of animals. But the Cat’s-meat Man wasn’t very rich and he only got sick once a year–at Christmas-time, when he used to give the Doctor sixpence for a bottle of medicine”
Hugh Lofting, The Story of Dr. Doolitle