To Avoid a Hangover By Ryan Heilman   Everything keeps moving. I don’t see the pie yet, so it probably isn’t here, unless one of my friends ate it while I was staring at the seat across from me, mumbling. Perkins must really benefit from being a 24-hour restaurant in a college town. People like my friends and I must come in at all hours, and if they’re anything like me, develop voracious appetites at three in the morning. I’ll probably end up tipping the waiter a lot, too.  When I’m drunk I become positive that everyone is the nicest person I ever met. I convince my head to move and look around the room. Several other groups of people about my age are…