Rousseau’s legacy is vast. It includes Hallmark cards, Hollywood tearjerkers, heart-shaped emojis, and tell-all memoirs. If you’ve ever said, “I need a good cry,” you can thank Rousseau. If you’ve ever said, “Use your imagination,” you’re being Rousseauvian. If, in the heat of an argument, you’ve actually uttered the words “I don’t care if it makes no sense, it’s how I feel,” Rousseau is your man. If you’ve ever answered heartbreak with a long and angry walk, Rousseau. If your spouse has ever dragged you on a ten-mile trek on a damp, cold day, because “it will be good for you,” you can thank,
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