He rests his head on top of Sam's, gently
Kaz: I love you...
Sam: . . i love you to . .
Kaz: I...I don't regret doing this, you know...giving up my immortality for you?
Sam: . . you dont . . ?
Kaz: No...I-I'm glad I did it...I love you...and-and I want to stay with you...even if it means I don't live forever...
Sam: . . . -he starts crying a little- . . i-i'm sorry . . i-i sh-shouldnt be cryin-ng . . -sniffle-
( i changed it so rereplied)
(rereplied . . is that even a word?)
Kaz pulls away from Sam a little and looks at him
Kaz: N-no! It's ok love...but why-why are you crying...? I-did I do something wrong...?
Sam: n-no . . it-ts just -sniffle- so man-ny people just . . just l-left me a-after . . . and i-i -sniffle- . . i-i thought may-be -twitch- i w-was just . . i-im sor-ry -sniffle-
Kaz: ...you thought you were unlovable...oh, oh love...
He hugs Sam tightly, stroking his hair
Kaz: You are not unlovable...you are everything I could ever want...
Sam: -he's hugging you as well- . . i-im s-so-rry -hic- . .