3. Children must be able to wave

Because of their formal upbringing,
Exception: Children, being children, occasionally forget things.
While most of us wouldn’t even trust our toddlers to behave themselves at a formal gathering, the children of the Royal Family are raised in an environment that values formality. The children of the Royal Family are trained to wave nicely and talk with grace from the moment they are born.

Children must be capable of waving. Copyright: Samir Hussein/Getty Images
The Royals use waving as a method to thank the public and their fans without getting too personal. Eventually, the royal children will need to learn how to wave gracefully, so their parents might as well start them off early.