[He's struggling to breath and there's frost and probably ice around his neck-but like Hell is he giving up now!]

It's-it's true. It's true...and you know it, Caleb. They care...we care...everyone cares. And I swear...to everything I can...I'm not leaving you here.

You're my brother...and I love you...and I'm never...going to stop caring.

[His voice is raspier, and he keeps needing to stop to breath a bit more, but he means every word that he says. He's putting his heart there entirely, because it's the truth.]