Welcome to the sardine challenge. So, the only thing on the menu for the next 3 days is sardines. I challenge you to try and eat three of those cans in a day because that's a hell of a tool to [music] help you get into a ketogenic state. And when you're in a ketogenic state, it helps burn fat, muscle mass [music] gets higher, preserved. I've seen patients that have reversed their gray hair and that brain performance, concentration, and energy. All of those things improve. And so, I'm going to teach you how ...