 And here's what little Billy looks like. So with this particular child, we did that. And we go, hey, yeah, he's got a strong correlation with his brainwaves for the alpha, theta brainwaves were imbalanced, the beta and delta. So looking at the brainwaves, you can say, hey, there's a strong correlation to ADHD type behaviors with this brainwave pattern. And the solution then is to correct and allow through neurofeedback to allow the brainwaves to go back towards optimal. Now, here's what's really cool. And to me, I think this is just...