After a few seconds, Kaz pulls away. face inches away from Klaus's he breathes
"I love you."
"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."