Taken from her interview in 2x8, "Final Cut":
Biers: Are you afraid when you go into combat?
Edmondson: First thing they tell you is to assume you're already dead.
Biers: That sounds ghoulish.
Edmondson: Yeah, maybe. But dead men don't get scared or freeze up under fire. Me, I'm just worried that hell's gonna be a lonely place. And I'm gonna fill it up with every toaster son of a bitch I find.