I feel the urge, familiar now, to wrench myself from my body and speak directly into her mind. It is the same urge, I realize, that makes me want to kiss her every time I see her, because even a sliver of distance between us is infuriating. Our fingers, loosely woven a moment ago, now clutch together, her palm tacky with moisture, mine rough in places where I have grabbed too many handles on too many moving trains. Now she looks pale and small, but her eyes make me think of wide-open skies that I have never actually seen, only dreamed of.

We could visit him," suggests Will. "But what would we say? 'I didn't know you that well, but I'm sorry you got stabbed in the eye'?

Little girl, he called me. A little girl who is stressed out to the point of paranoia. That is not me, but now, it's who the Candor think I am.

But I understand now what Tori said about her tattoo representing a fear she overcame-a reminder of where she was, as well as a reminder of who she is now. Maybe there is a way to honor my old life as I embrace my new one. "yes," I say. "Three of these flying birds." I touch my collarbone, marking the path of their flight-toward my heart. One for each member of the family I left behind.

If you see someone in trouble, you should help them. Experiment or not.

But I killed a man just like my mother did. David says it’s okay because I didn’t mean to, and because he was about to kill that little kid. But I’m pretty sure my mom didn’t mean to kill my dad, either, so what difference does that make, meaning or not meaning to do something? Accident or on purpose, the result is the same, and that’s one fewer life than there should be in the world.

Caleb and Tris exchange a look. The skin on his face and on her knuckles is nearly the same colour, purple-blue-green, as if drawn with ink. This is what happens when siblings collide - they injure each other in the same way.