John hasn't been allowed to leave the cage since he'd been thrown into it, and the temptation to stand up properly, to feel the grass beneath his feet and to taste fresh air is strong.

It wars with his pride, and the struggle is probably plain to see before he finally spits it out: "Fine. Give me the damn thing."

Because it'd be even more humiliating to be collared, like he's actually the animal his body is trying to make him look like.