Signs of LifeThey say that being a good doctor boils down to just four things: Shut up, listen, know something, care. The same could be said for life on the road, too. When Stephen Fabes left his job as a junior doctor and set out to cycle around the world, frontline medicine quickly faded from his mind. Of more pressing concern were the daily challenges of life as an unfit rider on an overloaded bike, helplessly in thrall to pastries. But leaving medicine behind