 So when they're hitting you, the only thing that's going to absorb the punishment of the punch or the kick or whatever, the elbow or the knee or whatever, the only thing that's going to absorb that is your skull and your brain. And that's where CTE comes along, chronic traumatic encephalopathy. I can't say it, encephalopathy. But the bottom line is I'm telling you, man, this is – and people say to me, you know, you're making a big thing about CTE. You don't see these guys. You don't care about these guys.