Read the essays that Musk's ex-wife writes about him.<p>She does a good job of explaining how to be a billionairre but she makes it clear that she wouldn't want to be married to another one.<p>Not long after Jobs came back to Apple, my company - Life Picture of Scotts Valley, California - hired a bunch of former Apple employees who had resigned. One of them told me that "Steve Jobs made it easy to quit."<p>I'd rather be a character in the lord of the flies than ever work at Microsoft again.