Brain: These are bad for me.
Nicotine: Shut up.
Brain: They’re polluting my body.
Nicotine: Shut up.
Brain: The simple fact is that I can live without them.
Nicotine: Shut up.
Brain: I don’t need …
Nicotine: Shut up.
Brain: Yeah, but …
Nicotine: Shut up.
Brain: I…
Nicotine: Shut up.
Brain: Fine!
smokes cigarette
Brain: There. Now I’ll just stop and …
Nicotine: Shut up.