I actually think Bill Gates is conventionally smarter, even though it's a dumb word, but mental processing power - I've watched him use four different screens, process information, get to the right answer, boom boom boom.
I eat vegetarian a lot. I buy only fresh ingredients and cook from scratch - that way, when I feel like snacking and look in my fridge, it's: 'Oh, baby carrots or chocolate soy pudding. Take your pick.'