Yes," she says, her eyes bright with tears. "My dear child, you've done so well.

Lies require commitment.

I glance at Tris. She grins at me, then leans in to whisper something to Christina. "Are you here to help or what, Stiff?" I say.

In the days that follow, it's movement, not stillness, that helps to keep the grief at bay.

THE SERUM WEARS off five hours later, when the sun is just beginning to set. Tobias shut me in my room for the rest of the day, checking on me every hour. This time when he comes in, I am sitting on the bed, glaring at the wall. “Thank God,” he says, pressing his forehead to the door. “I was beginning to think it would never wear off and I would have to leave you here to … smell flowers, or whatever you wanted to do while you were on that stuff.

His hands skim my bare arms. “Just bounce a little when you walk,” he says, kissing my forehead, “and pretend you’re afraid of their guns” —another kiss between my eyebrows— “and act like the shrinking violet you could never be ”—a kiss on my cheek— “and you’ll be fine.

It isn't the height that scares me - the height makes me feel alive with energy, every organ and vessel and muscle in my body singing at the same pitch. Then I realize what it is. It's him. Something about him makes me feel like I am about to fall. Or turn to liquid. Or burst into flames.