 Loss of arm swing from the rigidity. When we walk, we have a nice cadence. You notice he doesn't really swing his arms. And end block turning, meaning he kind of pivots around his foot. If you said, hey, President Biden, he wouldn't go like this. But I also know, and tell me if I'm wrong here, it's very hard to diagnose Parkinson's, isn't it? It's not simple. Spoiler alert, you're wrong, okay? Spoiler alert. Heard that it can be- It's one of the easier movement disorders to diagnose, actually. Right. There you go.