What is the secret of a man who had a death wish during the Second World War but has lived to 105? “You have to be lucky with your genes,” says Flight Lieutenant Colin Bell who flew Mosquito Bombers during daring raids over Germany. Article continues below ADVERTISEMENT “If you have the right genes and you live a sensible life you might, if you are lucky, live to be 100 or, in my case, a little bit longer. That’s the honest answer. “But there’s much to be said for a combination of exercise, alcohol, and the love of a good...