You just want to ace this really hard chemistry test that you studied hours for the night before, but you cannot concentrate for more than two minutes because the kid next to you sniffles every thirty seconds. He stops, so you begin to read over the problem again––hoping that he finished his distraction. You try to remember everything that you have packed in your brain, but you completely lose your train of thought as he crushes your hope with yet another sniffle. Just go get a Kleenex already.
