Couples traditionally vow to stay together for better, for worse, for richer, for poorer, in sickness and in health. Rarely do they mention for 24 hours a day, for seven days a week, for every single meal, for so much streaming, for two blasted, interminable years. So imagine what the pandemic has been like for a throuple, three individuals in a loving, committed relationship. Also one that's moved seven times since early 2020, including driving nearly 1,300 miles from Denver to Chattanooga in one car with three cats. Cody Coppola, 31, and Maggie Odell, 28, have been together for six years, and married for four. Janie Frank, 26, is Cody's girlfriend of more than than five years. She is also Maggie's. They all work in construction and design. Throuple is a new word, younger than the century and sounding oddly like a board game, but it reflects an old tradition. Polyamory was practiced in ancient Greece and Mesopotamia, among European nobility and in communes. It is salte...