Poor Finn (Cory Monteith). It turns out that teaching lessons and leading the glee club is actually a bit harder than he was expecting. "I think it's just that the glee club doesn't see me as an adult," he tells Beiste in this spoiler clip from Glee Season 4, Episode 7: “Dynamic Duets.” Of course, he's not exactly doing much to help his case. "Oh... god, is that what coffee tastes like??! How do people drink that?" Cue the spit take.