Cas doesn't notice, he's getting kinda into it
Cas: Where you can always find me-and we'll have Halloween on Christmas-and in the night will wish this never ends-we'll wish this never ends...
Cas looks up, startled
Cas: O-oh! Uh, thanks!
Cas: Heh-oh...that's pretty cool...
Cas: Your wings!
Cas: Mhm!
