Wow, reading these messages really shows the destructive power of porn. There is nothing wrong with you, it is just that your mind is designed to give dopamine for new genres. I have also watched almost all of the above genres, and have been deeply ashamed of that. Now I see that it has nothing to do with who I really am, but just the addict inside of me wanting dopamine. That being said, people have genuine sexual preferences, fantasies and kinks. And when you are 14 you just don't have enough experience yet to know them all. The only way to really get to know who you really are is by living, and experiencing things. Porn however is fake experience, making you belief that you might have a preference for bestiality. Try living without porn, and see how you really feel about things. Look for the things that you get excited about.