Is it normal to change up your porn/erotica/similar collection all the time?
I use porn; erotica and other stuff during masturbation sessions, but I don't have a definite collection i.e. I use the materials and get rid of them afterwards (Though I may come back to some of it once in a blue moon).
I have a good idea of what I like, but don't generally keep whatever it is for more than one session.