The mother took her young daughter to a psychiatrist and explained to the headshrinker that the girl thought she was a chicken. The doctor soothed her, observing that an overactive imagination is not uncommon in children, and asking how long the girl had suffered from the delusion.

"Almost two years," said the mother. "Your daughter has imagined she is a chicken for nearly two years?!" the psychiatrist exclaimed. "Why have you waited so long before bringing her in?" The woman looked embarrassed, then confessed: "We needed the eggs, doctor."