"You can't..."
Kaz's eyes widen as he realizes what he just said. His face goes white.
Kaz: Oh...no...no no no no no! I..I didn't mean to-
"Yeah, haha..ya didn't mean to."
Kaz: I...I didn't! I-
Black smoke starts rising off of Kaz
"I'm going to sleep.."
Kaz falls to his knees, black smoke still rising off of him
Kaz: Augh! Yeah...have fun with that...Owww! Fuck, this hurts!
"What's wrong?"
Kaz glares at Klaus
Kaz: Apparently...OW! Losing your immortality...OW! Shit!...is painful...FUCK!
"Oh, you're a mortal now? I said I was over it, but nooo, you just had ta kiss me."
Even more black smoke rises off of Kaz
Kaz: Yeah...OW!...becoming mortal...SHITTT!...and...you kissed me back...asshole!...FUCKKKK!