I hope you've enjoyed this book and have learned something useful from it; I certainly learned a lot from writing it. However, there's only so much you can learn from books. As Proust wrote, "We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us."
It's good to have a friend point us in the right direction and come with us a little way for moral support, but then we need to walk on by ourselves. I hope that this book will be the beginning of your journey, not the end.
The world-famous classical guitarist John Williams was once asked how long it took him to learn to play the guitar. "I'm still learning," he said.