Ruby hated this, every second of being around him, the things he was saying. The fact she'd brought herself to angelic notice, all of it. Ugh she could smell him. "Dean is starting to push Sam away. He doesn't trust his power, he doesn't trust his connection to me any of it. So eventually he'll push Sam too far and then who knows what'll happen. But as far as his destiny goes, Sam will be ready."
She didn't want to suffer at the hand of an Angel. She didn't want anything to do with him if she could help it. So let him take what he'd found here and do what he wanted. She however would keep going what else could she do. She'd keep going as she was for Sam's sake, and from Azazel's.
"No one will know what I saw here." she said, not sure how true that would remain. But she wouldn't screw up. She stepped away when he turned, his threats still ringing in her ears. It had gotten to her, all this had.
She wasn't ashamed to admit to herself she was scared.