A: I have to go to bed early. B: Why? The night is still young! A: I have a class at 7 a.m. B: That's tough! My earliest class is at 9 a.m. A: That sounds amazing to me. B: How do you stay awake in that class? A: Before I go to class, I drink four cups of coffee and take a cold shower. B: Interesting routine. Does it work? A: Kind of. It's better than not doing it at all. B: Why are you taking that class? A: It's only offered once a year, so I have to take it now. B: I hope the class is interesting, at least.