 Because we call them tracks, the different parts you play in shows. Every track has its own combination of shin splints or whatever, vertebrae number, whatever, that's going to be compromised. Or whatever it is. And sometimes it's not even just physical. Sometimes, as I said, I feel like sometimes our subconscious can't delineate between what's real. And so sometimes there's even an emotional kind of cost of doing something for a long time.