The truth, then, is that spending at least some of your leisure time “wastefully,” focused solely on the pleasure of the experience, is the only way not to waste it—to be truly at leisure, rather than covertly engaged in future-focused self-improvement. In order to most fully inhabit the only life you ever get, you have to refrain from using every spare hour for personal growth. From this perspective, idleness isn’t merely forgivable; it’s practically an obligation.