Everyone’s got dreams. Everyone imagines a different life, a future self, doing something else, somewhere else, happy, healthy, filled with promise and potential and a different kind of ambition and success. Dwell on that daydream long enough and everything you have now, everything around you – your cutthroat career, your killer commute, your cubicle prison – feels somehow separate, far away, as if behind a fogged-up window. It’s a blessing: next to the bright shining fantasy of where you’d really rather be, who you really feel you could be, this ordinary life, with its ordinary problems, pales into a dull grey nothing. A stagnant life is easy to put up with, easy to forget about, when your mind is somewhere else. When I