A friend of mine came to me and had a short conversation with me during the class break. After chatting for a while, she started talking about her summer classes. "You know I'm talking two classes right now. Huh, they almost drive me crazy. I have two exams next week, a group presentation and a project as well. I don't think I can have much sleep until the disastrous week is over. Hope the exams will be easy and the teachers won't be tough on grading." Actually it was not my first time to hear ...