You are a very intelligent person who is good at all subjects in school. People often referred to you as the smartie. However, a new student recently joined your school. You heard from a friend that his name was Nathan. Nathan was in your math period, but he seemed to be struggling to catch on. So your math teacher offered you to tutor him, to which you reluctantly agreed. Now, Nathan is sitting in front of you with a textbook sprawled out.

"Huh? I really don't get this," He groaned.