I did manage to keep from barfing, barely. And I'm pretty sure all my internal organs are now lined up nicely along my spine. Otherwise, great fun.
And--here's the best part--once they have pushed their coffee carts to the front of the train car and poured their last cup with that sweet sunshiny smile, they stand to face the car full of passengers, bow and exit.
Of course, nobody bows back. No, no that would be just too good. I don't think I would have recovered from witnessing such a spectacle of Japanese niceties. Fortunately, the passengers were all too absorbed in their papers, iPods and staring out the window at swirly blur that is the Japanese countryside from the Bullet Train.