Dean and Kevin in “Unfinished Business”

Dean

And even with Crowley here, this is the safest place there is. And we need you man.

Kevin

Because I'm useful.

Dean

Because you're family. After all the crap that we've been through, after all the good that we've done. Man, if you don't think that we would die for you, I don't know what to tell you. Because you, me, Sam and Cass - we are all we've got.