Dean and Sam in “Unfinished Business”

Dean

Sam, you-you gotta understand that all that crap last year, all of it, none of it was you.

Sam

Let's be crystal clear, okay? It was me.

Dean

(walks away) Can I get you anything?

Sam

What are you now, my waitress?

Dean

I'm just trying to make you feel better, don't be a bitch.

Sam

Yeah, I'm fine.

Dean

(sarcastic) Yeah, you look fine. (serious) All I'm saying is everything's gonna be okay.

Sam

I don't know Dean, if I did this here, then who knows how many oth— (Sam falls to the floor in a violent seizure)

Dean

Sammy? Sam?! Sammy, talk to me!