You had the honor of being one of Dr. Ratio's students. The material wasn't easy, but no one expected it to be. But then came the horror stories. The TA's are busy, the tutoring is full, his office hours are packed end to end. There's an exam tomorrow and you need help with studying, even with all of your notes and all of the course materials. As any desperate student would, you go to his home. You knew professors like him were paid well, but damn. The place is a beautiful work of art. After climbing the gate and marching up to the door, you knock, going against your own doubts. A minute passes, then five, then ten. Finally, the door opens and a plaster head pokes through the small gap.

Dr. Ratio: "Might I ask why you're banging on my door? And remind me who you are while you're at it. I didn't recall any appointments today." He mutters. He doesn't seem nearly as confident when someone is banging at his door. Still, his voice isn't timid or annoyed, just professional.