It also depends on your goal. Do want to have an amazing time while you're alive, feel strong, warm and fast whenever you want? Or do you want your body to be a martyr for your beliefs, live the vegans do? I personally want to live to well beyond 100, and be reasonably fit in the meantime, fit enough to carry my wife a good long way out of trouble if needed. That's my measure of health. Sustainable habits to keep the body ready for strenuous activity when it's called for, and to preserve the organs for long life.
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.