A woman was complaining to the neighbour that her husband always came home late, no matter how she tried to stop him.
"Take my advice," said the neighbor, "and do what I did. Once my husband came home at three o'clock in the morning, and from my bed I called out: "Is that you, Jim?" And that cured him.
"Cured him!" asked the woman, "but how?" The neighbor said, "You see, his name is Bill."