After An Changhe quietly explained a few problems to Yan Fei, Yan Fei didn't know what to say to his desk mate. For every problem, An Changhe could come up with several solutions and extend them—if one method for a similar problem didn't work, another would, and so on.
Such foundational skills were solid to the point of leaving one speechless, yet somehow, when it came to exams, he never hit the mark, and there was no... no, that wasn't quite true...
"Alright, alright, I got this problem," Yan Fei interrupted An Changhe's explanation. "I want to ask you something. Why do you do so poorly on tests?"
"Don't even mention it," An Changhe was full of melancholy. "As soon as it's exam time, my heart starts racing. Standing outside the examination room before even entering, I start sweating. Once inside, I can't wipe the sweat off my palms, even with a towel. What can I do?"