I wish I could claim that I knew about this nerdy bit of pain science before someone asked me about it … but I hadn’t even heard of it. Even though it’s been around since the early 2000s. It was published at about the same time that I was just discovering that science is cooler than superstition. I also wasn’t even interested in the paper at first. Pain as an … emotion? Huh? That sounded a bit fishy to me. Like I might take the author about as seriously as I would take a middle-aged...