This winter I’d seen and done stuff I never could have imagined previously. Things had borne down so quickly on me that it was brain-shaking. For the past few months I’d been an outrider, a trailblazer, and the excitement and strangeness of it had changed me. There was such an intoxicating power to be had from doing things that no one else dared try. But once we started talking about the Nautilus I got the creeping sense that I’d begun something I didn’t know how to finish.