After writing books for 13 years now, I still find that the thing that’s the hardest for me to write in any book is the acknowledgments. It also, hands down, takes me longer than any other pages in the book. For me, I think the reason I take these acknowledgments so seriously is because it’s when I get to put down on paper how truly grateful I am to be surrounded by such great friends, an incredible book team, and a family that truly makes my life a joy. That’s why it’s so hard. I also know why it takes so long—you type a lot slower with tears in your eyes.

To my remarkable wife, Kalebra: We’ve been married 21 years now, and you still continue to amaze me, and everyone around you. I’ve never met anyone more compassionate, more ...

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