I was settling into one of those airport activity tables with high stools and electric outlets at my flight’s gate, waiting for the agent to announce boarding, when I felt a gathering storm at the apex of my butt cheeks. This was my last flight after being away from home on a book tour in May. For the past two weeks, I hadn’t left my chair much, due to all the posting, podcasting, writing, and tense, nervous scrolling that releasing a book involves. But I’d moved just fine from plane to hotel to bookstore. I’d even made a point of walking to the bookstores from hotels and back, to