The calculus prof who draws the picture before she touches the algebra.
The Oxford tutor who asks what the author did NOT write.
The LSAT coach who won't tell you you'll get in — but will show you exactly how to improve.
The guy who just got a 520 and still remembers exactly what broke him.
The orgo tutor who won't let you memorize a single mechanism.
The Python tutor who won't show you code until you can say it in English.