Is hirhur arayos an issur or is it one of those not-such-nice- things-that-you-should-refrain-from?
Li Nireh, since you are a girl, it is the second. If you were male it would be the first.
My bigger problem is that I think the movies are affecting my haskafos, and thats why I think I’m more motivated to stop, or try to.
Then that is your answer. Acharei L’vavvichem is just as Assur as Acharei Eyneichem.