“Margin,” Swenson says, “is the space between our load and our limits.”9 Planning for margin means planning for the unplannable. It means we understand what’s possible for us as finite creatures and then we schedule for less than that. Over the past year I’ve come to see that I plan no margin in my weeks—reverse margin, actually. I look at my week, and before any interruptions come or any new opportunities arise or any setbacks occur, I already have no idea how to get everything done. I see the meetings