"For God's sake, Stiff," he says. "You don't have to follow me," I say staring at the maze of bars above me. I shove my foot onto the place where two bars cross and push myself up, grabbing another bar in the process. I sway for a second, my heart beating so hard I can't feel anything else. Every thought I have condenses into that heartbeat, moving at the same rhythm. "Yes, I do," he says."

Source: Veronica Roth (2013). “The Divergent Series Complete Collection: Divergent, Insurgent, Allegiant”, p.71, Harper Collins