I raise my left arm and twist my neck down to rip off the pill on my sleeve....

I raise my left arm and twist my neck down to rip off the pill on my sleeve. Instead my teeth sink into flesh. I yank my head back in confusion to find myself looking into Peeta's eyes, only now they hold my gaze. Blood runs from the teeth marks on the hand he clamped over my nightlock.
"Let me go!" I snarl at him, trying to wrest my arm from his grasp.
"I can't," he says.