As adults, I think it is an inbuilt part of our psyche to worry. We worry about bills, money, our health and our jobs. But mostly, we worry about our children. As a mother of a teenager, I constantly find myself dithering about him. I worry about school, if he has friends, I worry myself sick when he is ill. But what really worries me is when I begin to think about his future. What sort of a life will he have, and what will the world we live in be like then? A survey carried out a few years ago by My Voucher Codes asked people what most worries them…