Of course it'll happen five minutes before they're supposed to go on. Kurt's being miserable because he knows New Directions can't win, not with only eleven good members and Lauren, and not against the Warblers' united awesomeness. And Blaine, being Blaine, is all "Aww, what's wrong?" and Kurt explains and Blaine goes X< because this was their FIRST CHANCE IN YEARS to get past sectionals, and Blaine's last chance, but... he can't do it! He cannot kill another Glee Club! So he looks back at the other Warblers and goes "Guys, I'm sorry... we're going to have to... we know we're awesome. We'll let ND carry on, and when they win Nationals, we'll challenge them and KICK THEIR ASSES... but they need this victory more than we do. Okay. Now, everyone, forget your solos. They're all on me. Kurt, don't try to fake a smile. Keep this sad face. David, I want to see you ham it up. Wes, switch spots with Kurt, so his misery is front and center. Everyone else, tone your volume down about five notches. Keep the choreography tight, though, we want to make it look like we know what we're doing..."