Justine Musk once wrote one of the most honest explanations of why people like Elon Musk are built differently from everyone else. Her core message is uncomfortable: Extreme success requires an extreme personality. And it comes at the cost of almost everything else. Here’s her breakdown: 1. Obsession is the entry fee Not passion. Not ambition. Not “motivation.” Obsession. If you’re not obsessed, she says, stop what you’re doing and find what does consume you — because nothing less will get you a