Public transit attracts all kinds of people, and a big chunk of them are the type you wish you'd never have the pleasure of encountering in your life. Imagine you are on a train, and all these people are packed on it. You've found yourself a nice window seat, and the beginning of your journey goes smoothly. Then, something unfortunate happens… Your nice, quiet seatmate leaves, and a loud, rude one sits across you instead. She begins chewing loudly, mumbling, and eventually, puts her feet on the…