"..."
He pinched himself
Cas tilts his head
Cas: Woof?
He started biting on his arms.
"Nuh..."
Cas morphs back into his human form
Cas: Uh...you ok?
"Doggieee...woof woof...num num.."
Cas: Oh-uh-um...
"Mm.."
Cas: So...
He stopped biting his arm and he stared at cas
Cas: ...what...?