I really appreciated this documentary, particularly the acceptance that pain, uncertainty, and constant work are unavoidable. Realizing that it's not something anyone should try to (or even can!) escape is reassuring. He's also co-authored a book on the tools: <a href="https://www.goodreads.com/book/show/13152847-the-tools" rel="nofollow">https://www.goodreads.com/book/show/13152847-the-tools</a>