I think that when NASA works on a moon shot, they know too well that all of the people working on it must do their job at 110 percent. Sometimes they probably put in 18 hour days, but they're aiming for the moon, and that's what counts.
The body is sort of a pain. It has to go to the bathroom. It has to be comfortable. But the spirit is indestructible. It can move at the speed of light.

