Ruby shut her eyes opening them again in their human disguise and nodded just once.
"If I was a danger to either Winchester brother I'd have killed them by now, Its not like I hadn't had a million chances. You watch what you want, but either do something...or leave. Like you said, Sam's choice, and looks like he's chosen."
She was terrified, she knew Castiel knew it and she suspected Sam did too. But she wasn't going to run.