He'll be close if she needs him as they have that unbreakable connection. He understands she might want privacy for the time being and rubs the nape of her neck just before going. Sam isn't too hard to reach; there's many ways she can call him back.

He bobs his head a few times too many. "I'll defrost some things to be on the safe side." As it sounds like they're camping indoors for a while until Ruby has a chance to breathe. At the very least Sam is unwilling to leave the bunker and is thinking probably three steps ahead.

He nods when Dean addresses the quiet assumption out loud. "If it is another asshole,-" Dean's words, not his, for the lack of a better idea- "All I know is that we're in trouble if they can bring back anyone they like. Chuck hasn't been warm to Ruby from the start so chances are high that he would bring back someone that could hurt her.

"Also we...have to assume there's more of them out there."