This one student of mine was nice enough if not for one upsetting problem. He was prone to airsickness (motion sickness). Even when the air was calm, the guy would barf up his breakfast buffet.The first time it happened, I blamed it on nerves. The second time it happened, I thought to myself, “Houston, we may have a problem here.” (Look up the flight of Apollo 13.)By the way, I’m a superstitious guy. As such, I fully support the builders and owners of high-rise buildings who decide not to put “Number 13” on their elevator button panels. Sure, there’s a ...