 and they're monitoring their heart rate, and they don't, their heart rate doesn't move. It's like, whereas a normal person, you're seeing that long, and you're being timed, and then you have to shoot and hit, then ski more, then do it again. So you're thinking, I can do that, but I would have to, it would take me 90 seconds just to get my heart rate down, to hit the target, you know what I mean? It's the target, it's controlling your heart rate, your adrenaline, your breathing. I have cousins,