We have a natural hunger for these landmarks in time. Take the prevalence of New Year’s resolutions. The Wharton professor Katherine Milkman said she found it striking that “at the start of a new year, we feel like we have a clean slate. It’s the ‘fresh start effect’ . . . all of my past failures are from last year and I can think, ‘Those are not me. That’s old me. That’s not new me. New me isn’t going to make these mistakes.’ ”
