He gives up on trailing in his sister's wake while she dances from one station to another, her efforts to learn the skills largely unsuccessful. He walks over to the survival station to learn all he can; he's got a good memory, so if he just gains enough knowledge, he'll be able to teach everything to his twin.
He flips through his notecards, the lines he keeps handy in case anyone tries to talk to him, and approaches the station.
When his parents started... well, comparing him to Columbia, Callisto started to wonder why. He started questioning what made a person good or bad, what was right and wrong, and why people did what they did. He wanted to know how his sister got so much praise, and his parents treated him like gum on the bottom of their shoe. He wanted to find the answers.
So he turned to reading. Even if he hasn't been very successful with becoming a good person, he can at least excel at this.
