Maybe the in-flight movies aren't good enough for this woman and her son. When traveling and preparing for a flight , there's a lot to remember: passport, luggage, wallet, keys, and more. But most people remember to bring something to keep them occupied during the flight, too, whether that's a book or a pair of earbuds to listen to music or a podcast, or to watch an in-flight movie. This wouldn't seem to require much planning ahead, and most flights will hand out earbuds in case you forgot your…