Do children make adults more childlike? Bachelorhood is often seen as an immature feat. But, as Janaan Ganesh argues, singledom is a promise of maximum control over time that should be seen as a bid for a serious life. "I know with some precision the list of cities in which I want to pass the rest of this decade, and in what sequence. No one with dependants could be so mobile or so cavalierly strategic. Whatever part of the self is being exercised here, it is not the id."