When I look at pictures of a gigantic, ripped, female bodybuilder I no longer get a boner. Perhaps I am too used to the images, or my libido has dropped since I've aged, but when I was younger I would get insanely turned on from any image of a fbb, probably because of the sheer novelty and I always had a fetish for muscular legs since I can remember. This brings me to the present, where my tastes have evolved into something I can finally put into words:
What I want to see most are muscular women who dwarf skinny and average guys. I've discovered that ever since I went from a skinny guy to a normally built athletic guy, my attraction to muscular women has decreased. Perhaps it is because they are not much bigger, or stronger than me now, and so a lot of my fantasies are the skinny me from my youth being overwhelmed by a muscular young thing who is two or three times stronger than me.
I've never been a fan of any mixed wrestling video that has an old fat guy, or a young fat guy, or a built guy who is obviously pretending to be dominated. I want to see skinny weak guys destroyed by superior females because that was always my personal fantasy that I was never able to live out. Growing up, I always secretly wanted to wrestle, and be dominated by, a big athletic girl. The biggest mindfucks were when girls had substantially larger legs than me, especially when I knew the girls had no fat on their legs. That always hit me somewhere deep down sexually, like the number one switch to your sexual desires is flipped, it's hard to explain adequately. There was one girl in my school who had perfect diamond calves that must have been 15 or 16 inches, and she had nice thighs with muscle separation visible in her quads. She probably had 5-6 inches more muscle in her thigh circumference than I did, and 1-2 inches in her calves. Because she was so muscular it drove me crazy, I had a huge crush on her for a very long time. As a tall skinny guy I always wanted to know what it felt like to be with a girl who was bigger than you, and not because she was fat. Now that I'm older and bigger, and the women I've been with were not bigger than me, I have lost out on the fantasy, which I think I still fantasize about so much because it never happened, it was never fulfilled. Maybe it can still be fulfilled if I ever paid out hundreds of dollars to wrestle a large fbb, but that is a very difficult arrangement to make when you don't have extra money and you're married. Also, the idea of paying a professional fbb to wrestle you just seems way too contrived to be as mentally exhilarating, especially when all of your fantasies have been about girl-next-door types with big strong legs, which only works if you're still skinny or weak.
Anyway, this has gotten TL;DR length, so I'll stop there.