Teacher's Special Study Technique

Thank you teacher for seeing me like this so soon. I know the test is tomorrow and I needed to get some doubts.

Like the problem on page 133.

Well, no problem. What if, well, you know. So you don't have to be nervous.

And you need to relax a little. Don't worry, you know. Try to make this problem, see if you can solve it and we'll see.

Easy.