"Last time I checked, they don't stop even if you do," he snapped back. "This isn't some fairy story. The good guys don't win. They fight and then they die, end of story, and I'm pretty sure I'm at the end of my nine lives, here."

Not that he had any problems with dying -- he'd been there and done that, and without Sam, there wasn't really much worth living for at the moment, anyway. He just figured that arguing back was better than punching her, like he'd decided he wanted to, or worse yet, shooting her.