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Don't look too innocent, though. Stand up straight. Polish your shoes. And don't cough, whatever you do. Don't be rude or pushy, but don't look too nervous. You have to know where you're going. Keep your eyes wide open. Looks as if you know where you're going. You'll feel so homesick that you'll want to die and there's nothing you can do about it apart from endure it. But you will, and it won't kill you.