 depending on how hard you're going. But then some people, I mean, do you find, and Joe Boddy and Amanda, do you guys find that just some people have, they're just built in a way like Ryan Koster who can run up the mountain and, you know, never get to level four? You can build it, right? There's a guy who's like one of the smartest guys I know. His company's called Aerobic Capacity. It's Brian Hinshaw.