"No. Your only 'job' is to be my brother, man. You may not've died again so far, but you're not immortal. And I'm not gonna sit back and let you get hurt because of me. Not again." It's the very reason he and Dean were ever sent to Hell in the first place. One death, one trade-in, and two souls ended up being the payment. He's not putting either of them through that again, even with his current deal in effect.

Any lightness in his tone before is long gone thanks to the topic, which is why his words sound a little more clipped when he continues. It's an anger that's long since been directed toward the both of them since the moment he first found out the truth about Cold Oak and Dean's deal.

"You're a demon, Dean. They wont want your blood. So we're using mine, end of story." And even if any of them are able to make out the taint in his blood, he's pretty confident that they'll still come out to investigate. There's more than enough human left in him to get their attention. "Now are you coming or what?"