So, what we're going to do, we're going to do what's called the walk and turn test, okay? So, perfect. We have a line right here. Are you comfortable walking in those shoes? Those are okay? >> They're up there. They're okay. >> They're good. Great. All right, so I just want you to stand with your arms down by your side, okay? Perfect. Do me a favor, put your left foot in front of your right. Touch your heels together. Touch your heels together. >> Okay. >> All right, arms down by your side. Just getting that starting This is going to be the starting position, okay? Left foot in front of your right. Heels together, arms down by your side. Now, when I say stay in that position for me, okay? Okay, good. So, now, when I say go, I want you to take nine heel-to-toe steps, okay? Count them out loud. 1 2 3 4 all the way to 9. Series of small turns. And then come back same way. 1 2 3 4 all the way to 9, heel-to-toe. Do you understand my instructions? >> Mhm. >> Do you want me to explain it again? >> No. >> I've demonstrated it to you. Did you see what I did? >> Yep, saw you. >> Okay.