'PEN15' is a hilariously painful reminder that middle school mattered

Every once in a while, social media is swarmed by people participating in 10 year challenges, where people dig up photos of themselves from a decade ago and juxtapose them with a more recent picture. These challenges are meant to show how much time has changed someone, but to be real — they're really just a flex on how much hotter people are now than when they were teenagers. 
10 year challenges often start conversations about how wild fashion was back then, why anyone thought a then-