 knee pain, shoulder pain, ankle pain, hip pain, all of the above. So that, yeah, the first step is diagnosing, coming up with the reason for the pain, and then developing a treatment plan. I've got to jump ahead here a little bit. We'll come back to some of the other specifics, but something that I've witnessed recently is with some issues that I might have been having with my knee, your morning meeting with the physical therapists, the chiropractors, and the doctors to discuss patients and kind of bounce ideas off of everybody, that's got to be just absolutely valuable. It is. It's...