I can feel your pain. Really. There's that itching in your nose, you were scratching your head and your sight wasn't continually focused on the screen. And your skin conductance tells me that. I've seen the wrinkles on your forehead when I tried to explain these difficult formula. Is everything okay with you? I can call the doctor. Is there anything depressing you? Look, we can interrupt this course any time. However, please note that exams are next week. I'm just your friendly teaching software, you know. You can make it if you really want. No, don't do that! Don't put your fingers there! I'll send an emergency e-mail to tech support right now! Sto-
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