A woman in Mexico lies about being pregnant with nontuplets after giving birth to triplets, which is also untrue. Why did she do it?
Usually children lie for the same reasons adults do -- they feel trapped, are scared of punishment or rejection, feel threatened, or just think lying will make things easier for everyone. Often lying is a sign of low self-esteem.
Parents love their children and want them to develop truth telling as a virtue. Do understand that all children lie. Dogs bark. Cats meow. And children lie. Your neighbors' children lie. Your sister's children lie. And yes, your own children lie.
We have developed strong opinions about the value of honesty in relationships. In a word, honesty is crucial. Crucial is derived from the same word that means crux. And honesty really is the crux of the matter in close relationships.