The kids pick it up faster than Catherine, but it still takes a while before they know enough to go to school. They need a lot of help with homework, and the Connors report that everyone thinks they're pretty weird, but they do have a secret future Nintendo console at their house, and this helps them a fairly significant amount on the socialization front.
Catherine learns how to bake snacks for the slightly absurd number of children who appear in her house every afternoon. While the kids are at school she talks about poetry with researchers, and sometimes she sits with Cassie's great grandmother, who is the oldest human she has ever met. She'll probably die pretty soon, she thinks. Until then, she likes the company.
She's not sure she's happy, exactly, but she isn't miserable, either.