Studies have shown that physical attributes can affect how your personality develops, with some interesting theories as to why.
While the merits of astrology and horoscopes are often derided, science is showing that the season of birth could actually affect your personality.
The idea of different personality types has been around since Hippocrates, although scientists always rejected the pigeon-holing of human behaviour. Until now.
Sure, your child may be a bit of a dick at the moment, but how can you tell if they will grow up to be a real plonker? Here are a few pointers.