Oh, okay. You want to read the book first. Or at least spend a few hours reading all of the articles Mark has put together under the "Start Here" link up top.
Sounds like you're mostly doing it right, though. The nut butter is fattening for many, but for a thin person it might just maintain their weight. Do give consideration to the high omega-6 content of nuts, and the pitfalls of generally eating too often, though I understand it's different for the thin folks.
When I got started, I just replaced my junk food with real food, and worked on meal timing/reducing snacking later. And almonds got me through it. Just keeping it to paleo.primal fare is a big enough first step for a few weeks! First, seek optimal nutrition and health.
And it was about six weeks before my system was dialed in to digest all this fat efficiently. It can take longer for some.
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.