“It was after her time, which was sort of nice to realize, that her childhood was far enough away that new cartoons had been invented. Eventually, she’d be old, too, just like Elliot, and Aidan and Zachary would have to explain all the things they automatically understood, just like she took it for granted that gay people could get married, or that Google could answer any question in a split second. She looked forward to there being things that young people would have to laboriously explain, their eyeballs rolling skyward”