Shorthand for gainfully employed U.S. couples whose only responsibilities were to themselves, the acronym DINK — dual income, no kids — was coined to capture the unabashed materialism of the 1980s. Four decades later, the term has made a comeback, with millennials embracing it on social media to flaunt their free time, lavish spending habits and the other perks of choosing to be child-free. It has taken off far beyond United States, including in one country where it would have been hard to... Read this story