Mark Watson is back for his third visit to the Savoy. We've all had some pondering to do about the fragility of life recently, but don't worry, skinny national treasure Mark has it covered. At 41, he's halfway through his days on earth, according to the life expectancy calculator app he paid £1.49 for. That life is in the best shape in living memory... but one problem remains, and it really is a huge one... See more >