You all know, help me!
The closed.
Thirty years ago I read a book, where everything is like in Avatar, only without war and on Jupiter, banal quiet research, a disabled person, living on an artificial satellite, regularly settles in an artificial cocaryamba, which floats around the planet, performs some work.
Eventually, the disabled person gets tired of returning to the degenerated body and he deserts, remaining in the quite comfortable body of the Jupiter monster.
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And the joke:
Count, can you tell if there have been incest cases in your family?
These are very rare cases, you can read them on the fingers of one hand.
And specifically?
and seven.