Movies with student-teacher relationships?

I need a movie about student-teacher relationships for a Psychology project, but it has to be a romantic relationship. Nothing like Karate Kid or something like that.
I have already used Notes on a Scandal and I am also reading some books on the subject matter.

Thanks for the help!
Update: I don't want anything sexual, by any means, just something that shows how their minds work. Obviously the psychology behind the relationship.
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