"Po-tec?"
Cas: Like...keep you from getting hurt?
"...yez!"
Cas: Well-cool!
"Meowww."
Cas: Hm? Oh...yeah, sure...
He morphs into a cat
"Hehe!"
Cas: Meow?
"Happi, yes!"
Cas: Meow!
He morphs back into his human form