Plot: How does your personality shape your life? Can it dictate whether you are in the right job, make or break your relationship, influence your health and even how long you'll live? In this two part special to celebrate the tenth anniversary of Child of our Time, the children and their families explore their personalities, while presenters Robert Winston and Sophie Raworth reveal the results of the BBC's online Big Personality Test, the biggest ever investigation into the personality of the nation. In this second programme, we find out how understanding your personality can help you make important decisions in life and boost your chance of happiness