Clearly having a nightmare
Kaz: I-I love you...
Sam: -he flushed hearing that, but remembered he was having a nightmare- i- uh . . -he just continued to console him-
( so uh . . Sam doesn't have alot of experience with people especially when that person is having a nightmare so . . )
Kaz: N-no! No...I-I'm sorry...
Sam: th-there's nothing to be sorry for . .
Kaz: Markus...Klaus...Sam. I can't-I-I can't!
He's like half awake at this point
Sam: . . wh-what? -he seemed confused-
Kaz: N-not again...
Sam: -confused- nothing bad is gonna happen . .
Kaz: N-no...no you-you don't understand...
Sam: ?