 The first paragraph in the passage foreshadows which theme of "Sea Legs"?
SEA LEGS By FRANK QUATTROCCHI Illustrated by EMSH Rootless and footloose, a man in space can't help but dream of coming home. "Do you know what sailors of ancient times meant by 'sea legs?'" asked Wyandotte. "Men on a rolling ocean acclimated themselves to a rolling horizontal. On the eighth day, two attendants, who showed the effects of massive doses of PON to protect themselves from the centrifugal force, had to carry a man out of the tank. Either that or they had begun to produce ultra-sonic waves. They were now ready to become inhabitants of planets again, instead of free-falling ships. Then they again began taking paraoxylnebutal in preparation for the free-fall flight to Terra.
 People shouldn't count on places to stay the same
 Society tends to neglect those who have served  If you don't like it, you can always leave  The grass is always greener on the other side  People shouldn't count on places to stay the same