Craig and Deven learned the respected drinking customs—never pour your own drink, pour for your elders with both hands—and Jon taught us games like Titanic, in which an empty shot glass is balanced in a cup full of beer and you take turns pouring small amounts of soju in, until it sinks and the loser has to shoot it back. This deadly combination of soju and maekju, the Korean word for beer, is called somaek, a common culprit for the Korean hangover.