Hi my 5yr old eats anything and everything he is 5stone and not so tall (average height) he has no idea when he is full and is often sick.I cannot go on like this and don't know what to do. My husband and his sister are vey big and they assume its "just genetics" I'm not convinced. My friends "borrow" my son to show their kids how to eat! The name calling is also starting. Please help?