I’m getting old. As I do I have less of life ahead of me to look forward to, and more of life behind me to look back upon. This creates a potential problem. Looking back can be a good thing -- recalling stories and experiences that bring joy -- but it can also be a bad thing -- recalling stories and experiences that bring regret. Regret is a powerful emotional and intellectual prison which binds us to the ‘what-if’s’ that our imagination creates as it looks backwards over the