One Saturday afternoon she was lying on the couch. I was reading in a nearby chair. Idly she asked, “What are you reading?” Idly I replied, “A comparative history of the idea of love over the last three hundred years.” She looked at me for a moment. “That’s ridiculous,” she said slowly. “Love is love. It’s the same everywhere, all the time. What’s to compare?” “That’s absolutely not true,” I shot back. “You don’t know what you’re talking about. It’s only an idea, Ma. That’s all love is. Just an idea. You think it’s a function of the mysterious immutable being, but it’s not! There is, in fact,
  
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