Too Many Toblerones for 30 Years

Having never been one to exert myself as a young man, it seems absurd that now, approaching 40, that I cannot abide a day without some form of rigorous exercise. Yes, I was a portly lad who was fond of Toblerones and Lion Bars. To be sure, I would go as far out of my way as possible to avoid the football field or the gymnasium. But, of course, middle...