DH is 40 yrs old, 5'7", 160 (?) lbs, and he eats 2,900 calories per day. He's also about 10% body fat (i say 8 from the pictures, but he says 10 from the pictures.
Breakfast for him is 4 eggs in butter, veggies steamed in bone broth, 1 cup bone broth, 4 oz meat, frozen berries with coconut cream, flax seed oil.