Even though it's fake, I enjoy the incest portrayals in media a bit too much

I'm 16f and I have been attracted to incest for a bit too long now. (Since I was 13) When I was 15 I met a guy who looked like he could be my twin and yes I was physically attracted to him. We became friend and it became very obvious, very fast, that we had a lot in common. I already knew it but when I found out that he liked the same things as me it just felt like everything was meant to be. I don't even know if I like him romantically, but everything felt right from the very start. I even find myself pretending that we are twin siblings when we are talking, even though I know it's wrong. Even though my brain knows it's wrong I still imagine what it would be like if we were. I live in Europe and had never heard of something like this, neither on tv or in real life. My country is very open to many things but incest is something that is never even talked about. (I think the name of the subreddit hides the content from my family so they cannot see it on my phone)