Sometimes, of course, these perorations are quite personal. In the declining years of my marriage, as our fights became more constant, and more frustrating, my runs became the place where I could say the things I was either too weak or wisely cautious to say out loud, condemnations and defenses that were never contradicted or interrupted because I was saying them into the air. On my runs, unlike in real life, there are no rebuttals, no counterarguments, no ripostes beginning with “Well, how about the time you—”