The worst of it is that Cas is right. Dean hasn't historically dealt well with talking about it and he can't refute Castiel's logic, even if it makes Dean a little uncomfortable. Hell, he doesn't even know how anything would work, because he's pretty damn sure that God and Death aren't meant to be bosom buddies. Then again, when have they ever followed the rules? They can make them now, moreso than they ever have before.
Dean licks dry lips, and nods, tilting his chin up to watch Castiel. "Okay. So we'll-- hell, we'll work it out, somehow. Right?"