Doug sometimes find it difficult to keep calm himself when the children were playing up. Read Supernanny expert Victoria Samuel for tips on staying calm with your children - something many of us need to learn to do!
Twins are a real handful. Read our tie-in articles on how to discipline them and how to cope when you have them.
Doug and Sandra used the House Rules to get them- and their family in shape. They worked a treat. They also had to learn to deal with their children biting and having major temper tantrums.
They also had a great success at the supermarket by using the Involvement technique.