I'll talk so much you'll hate the sound of my voice.

[It's a bad joke, and he doesn't really feel like it helps much anyway, but he doesn't care. He just listens, and starts talking.]

You're gonna be okay, Allison. It's just the gas, or whatever it is. Did you ever read comic books? Stiles and me, we used to go to this comic shop all the time. The owner used to yell at us for reading issues there. Then it closed up. You know Batman? And the Joker? They made that movie with him. It's the Joker, okay? He makes this gas that messes with people's heads.

Don't let him mess with your head, Allison. Just trust me, and keep walking toward the infirmary. It's safe in here.