[Oh, yeah, well... You're not my Dad! Or my surrogate Dad.]
[And Sam is just glaring back right now because he is full of anger and...he knows you're right. But he's going to have to go from a boil to a simmer before you get that out of him.]
He shouldn't have been that powerful! [Shouting back as if it was somehow Castiel's fault.] It doesn't make any sense. What kind of vampire gets a bag of tricks like that? Hell, he might as well have been an angel!