To learn to grade out well. We must have the discipline to itself and must race against myself without thinking of who we are or who we kengkwa bad. Because if we think it will make your peach and may cause the student worse. And every piece of work that she and another friendship that is diligent and talented, so that when we have a problem or question can be asked, and can stimulate us to study hard and needed before exams 1-2 weeks. And not having to stress before exams.