Cath couldn't stop thinking about Levi and his ten thousand smiles.

How do you feel when I smile at you?" he asked - and then he did smile at her, just a little. Not like myself, Cath thought. "Like an idiot," she said softly. "And I never want it to stop.

To really be a nerd, she'd decided, you had to prefer fictional worlds to the real one.

Love. Purpose. Those are things that you can't plan for. Those are things that just happen.

You flirt with old people and babies and everybody in between.

The only dating advice I have to offer is: Expect the guys in your life to be kind and respectful. Don't make excuses for garbagey behavior-'Oh, that's just what guys are like.' It isn't true. Expect them to be good, treat them like they're good. And if they're garbagey, move on. Don't let your world get cluttered up with people who think they have some gender-based right to be awful.

His parents never talked about how they met, but when Park was younger, he used to try to imagine it. He loved how much they loved each other. It was the thing he thought about when he woke up scared in the middle of the night. Not that they loved him--they were his parents, they had to love him. That they loved each other. They didn't have to do that.