HOCD Question

I've been going through HOCD for about 4-5 months now and it's been very rough. I am also getting over a PMO addiction which hasn't been easy either. One thing that worries me is that I remember in the past I didn't like girl's butts... it was maybe around the age of 14. Then suddenly I started liking girl's butts by the time I was 15 or so. By age 16 I was pretty much tolerant to porn and it felt like I was just masturbating to a computer screen and not so much the girls themselves.

Now I feel like I am sexually attracted to men's bodies. I remember every time I saw Tommy Wiseau's butt in "The Room" I found it to be gross. I looked at the movie again recently during my obsession and suddenly I feel sexually attracted to it. I could always admire men's muscles but I generally found them to be neutral. But now during this obsession the sexual attraction to them feels so real. And it's frightening. I even see unattractive men outside and suddenly think I'm sexually attracted to them. What's happening? Is this just the OCD? Is this just from the porn addiction? What if my sexual tastes have changed like with girl's body parts? I don't know what's going on and I'm very depressed.