 Not in a small group environment. Okay. This is hard. It's fun. It's hard. But that's what solidifies the joints, right? The muscles around the joints? Okay. Yes. And for your elbows and the upper body, it's the same thing? Yes. Besides the ligaments, obviously, that are attached. But when you lose that in your knee, the only thing you have going for you is the muscle when you become bone on bone. Oh, that's not good. It's not. That's not good. Not fun. Okay. So how many times a week you do this?