"When I'm walking home, my head still full of problems with my boss, I try not to let myself get all the way there without noticing it's a crisp winter day and that it's a pleasure to be striding along in a warm coat, watching the sun set the windows of the city on fire. I stop and sit for a while on a bench, listening to the shouts of kids playing basketball in the fading light, and feel my spirits rise, simply from having paid attention."