“Finally, I’ll share something that might spare you some time in rearranging your own brain. “Not beating myself up” has been a hard-learned lesson for me and those around me. I became much happier in my middle age when I stopped expecting unrealistic levels of perfection from myself and my family, my friends, and my co-workers, not to mention customers, vendors, and shareholders. The reality is that when you’re trying to make a few billion dollars, your team is likely running in multiple directions at a fast pace. Accept that some goof-ups are inevitable, and you’ll find that it’s much easier to maintain your mental equilibrium as you pursue big goals.”