"Yeah, actually." Only he's supposed to not be bothered about that sort of thing, so he shuts his mouth with a click of his teeth - takes a beat and then amends: "Look, we die - the tech back in the future hauls us back to life. But if we kill someone here, we just change the timeline. We're expendable, they're not."

Charlie does pause in his tracks then, turning to level Nate with a solid look. "Seriously mate, I'm not planning to get shot if you're not. So maybe we just do this clean and quiet for once?"