It's not just crossword puzzles--Fio also adores jigsaw puzzles. In fact, if she looks a bit bleary-eyed, it's because she's been working on one for two days now during her post-Christmas break.
Jigsaws, to Fio, are representative of life. All the pieces are there; she just has to put them together right. Time, effort, and a good eye--that's all it takes.