Cas: Ok well first off dumbass-it's red-and second of all, you calling me unnatural?
He raises an eyebrow at Ren, grinning
Cas: Pft-dude, I'm just messing with ya! But it is actually my real hair color...
Cas: Weird, right?
Cas: Eh...
Cas: O-oh...you do...?
He's blushing a little, and he runs a hand through his hair a little self consiously
