I just sat down at my desk, sweaty, back from a run. I got back home recently enough that it’s still too soon to shower, you know, when you’d keep sweating even after getting out of the shower. I ran back home faster than I set out, but not too fast, for fear of toppling over and letting all these sentences fall out of my head. I’m not even talking about these sentences. I was excited about other sentences I’d thought of while running, and on my way home to write them all down I got to thinking about how...