For a man who works 80 to 90 hours a week, Tesla and SpaceX CEO Elon Musk doesn’t necessarily adhere to a strict diet. Musk has said he doesn’t usually eat breakfast, but when he does, he’ll eat a Mars bar — apt for a man who’s trying to get to the red planet. “I’m trying to cut down on sweet stuff, and I should have an omelet and coffee,” Musk says.