 Just as an aside, I paraphrased this clip earlier just to save a little bit of time. And it occurred to me about two-thirds of the way through my paraphrase that it was going to be longer than the clip itself. So instead of making that same mistake again, let's begin in the middle, Michael. I think this is significant. Dr. Tom Pitts with clip 63. Tell me if I'm wrong here. It's very hard to diagnose Parkinson's, isn't it? It's not simple. I mean, I've heard that it can be...