While teenagers mark the new year by clinking Tide Pods together like champagne, the thirtysomething crowd (in Brooklyn, NY, anyway) is playing a different kind of game—one that’s more taxing on the…

While teenagers mark the new year by clinking Tide Pods together like champagne, the thirtysomething crowd (in Brooklyn, NY, anyway) is playing a different kind of game—one that’s more taxing on the…