There is a lot of work just in terms of traveling and logistics and people and gear and all that kind of stuff. But I never really have problems playing music. That never seems like work.
The most important thing we can do is inspire young minds and to advance the kind of science, math and technology education that will help youngsters take us to the next phase of space travel.
Evolution has programmed our brains to find two things particularly interesting, and therefore memorable: jokes and sex - and especially, it seems, jokes about sex.

