Mouse and Halstead in “Unfinished Business”

Mouse

I've just been thinking, man. What am I gonna do? Join the academy? Be a 31-year-old rookie? Come on. Over there, I got stripes.

Halstead

Do you forget what it did to you? Depression? Can't sleep at night? You want that? You want to be You want to be calling me 3:00 in the morning? You can't sleep, you're popping pills?

Mouse

I'll learn to deal with it, just like you did.

Halstead

Greg, you're in the middle of a war in Chicago. You want a war? You're right here, okay?

Mouse

I'm just being honest, man. Here, there's just Just too much noise. You know, who's right and who's wrong? Over there in Afghanistan, I know that I'm the good guy and they're the bad guys.