“Because I’m an adult who does adult things, like taxes and laundry and being sad for no reason.” Unfazed, the conductor said, “How wonderful! I, too, am filled with an encroaching dread over my own mortality. I’ve always thought that being aware of one’s impending demise makes for a more interesting life, but I have yet to prove this particular hypothesis. Have a pleasant trip, and do let us know if there’s anything we can do to make your journey as comfortable as possible. Ta!”