 And so four hours after you land on the moon, you're trying to go to sleep. I mean, your mind's going like this. And so it wasn't much sleep at first. Finally, I told them about four hours. I said, I'm taking a sleeping pill. I'm not going to get any sleep. And so I did. But after that, eight hours on a spacesuit is a lot of hard work. How much weight did you lose on that flight? I'm sorry? How much weight did you lose on that flight?