I went through this, too. I will parrot what others have been saying around here. Rancid, industrial fried omega-6 oils are not the same thing as natural, fresh chicken fat. The kinds of oil that are killing America are soybean oil, canola oil and other seed oils. Avocados and poultry are real food, it does not make sense to avoid them.
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.