 Yeah, Marty. How much time do we have left, really quick? We've got four or five minutes. You take your time, though. Okay. I just want to share one other cool fact that most people don't know. When you're working out, and I guess I'm touching up on older a lot, but all throughout life, when you exercise, you create lactic acid. A lot of people have heard of lactic acid. It's the thing that makes them sore, makes them hurt, but