" The cold reality of it had struck her, as if, perched on the crest of a roller coaster, the rest of the ride was suddenly, irreversibly clear. On the way up, the vista had been infinite, the time to look about sometimes agonizingly long; now there was only the certain and dispassionate knowledge that there was one set of rails on which to travel, the ending immutable and about to begin. It didn’t matter that the rest of the trip might take twenty, even thirty years to complete; the angle of the ride had changed. "

― Erica Bauermeister , Joy for Beginners