When the intangible future comes face to face with the palpable present, slack feels like a luxury. It is, after all, exactly what you do not feel you have enough to spare. What should you do? Should you leave spaces open in your schedule, say, 3–4 p.m. Monday and Wednesday, just in case something unexpected comes up, despite the fact that there is so much you’d like to do for which you have so little time? In effect, yes.
