Here is an amazing article about supervisor-supervisee relationships. Extremely well-balanced and nuanced - explaining the responsibilities of both parties. Would love to know all your opinions on this article.
Please also feel free to voice your stories based on your experiences as a superviser/supervisee/both!
"The professor should be aware that no matter how much he or she gives to the student, that student is putting into the hands of the professor several years of their life... "
This should go into the rule book for all supervisors - to understand the actual power and responsibility (and therefore consequences) their position weilds.