This week, we interview Moira Weigel, the author of "Labor of Love: The Invention of Dating," about how crazily recent - and purely American - the whole idea of dating is, why we still talk about it basically like it's the 1950s, and when it got to be so damn much work. (Blame the working-class woman who invented dating in 1896.) Oh, also about the word your grandmother used instead of "motorboating." With Maureen O'Connor and David Wallace-Wells.
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