Do I really need to vaccinate my baby? When should I worry about a tummy ache? Do all teenagers act like this? And how can my son and daughter be so completely different?Raising children doesn't have to be such a puzzle. All you need are good instincts and a set of down-to-earth directions to help you on your way. Instructions not Included is the practical manual they forgot to send you home with when you checked out of the maternity ward and into...