Yes, Leida. I recall your troubles.
Nope, I ate liver religiously, from grass-fed beef and pork (I love liver, always did), ate wild salmon, coconut oil, raw soaked and dehydrated macadamia nuts and every shred of green my 30 g per day allowed, and drunk home-made set-to-solid rich bone broths from grass-fed beef bones and turkey... and no dice. Initially I lost ~ 4 lbs, but in 2 weeks regained it and became lethargic with hunger. And, yeah, in the end I was starting to have horrible psychological response when handling or seeing fruit, basically ready to snap at the lucky people who can eat fruit, weep for envy and I don't want to relate the thoughts I had seeing slender gazelles shopping for fruit and granola or eating 3 cups of grapes in front of me.... Don't think it's normal.
I suspect a strong genetic component, whether environmentally driven or a random mutation. You see certain faces on really heavy people (not the just fat but the eyes and nose, and more) and then certain other faces on typically thin people. And haven't you ever seen a giant skeleton in thin skin and thought, "That person was meant to be a LOT thicker, and they look sick at this composition."?
Steak, eggs, potatoes - fruits, nuts, berries and forage. Coconut milk and potent herbs and spices. Tea instead of coffee now and teeny amounts of kelp daily. Let's see how this does! Not really had dairy much, and gut seems better for it.