 When the day is over... And what is it that you notice? Cramps. Mostly in my legs and my feet. And I notice that if I continue to drink water throughout the day, I don't have those. I just don't have those. But if I keep wanting to push on, and we've got to get this done, and we'll drink water on the next trip, and then you don't do it, I find a lot of... I mean, just...