Jo exhaled, through her nose as she thought about it, frowning a bit.

"I'm not really sure. I just know that Julia showed up recently and around that time Spike got a bit distant. I figured something happened, I just -- I'm not really sure what it is."

Her brow furrowed, and she shifted her weight a bit, "Maybe it's something from back home. I know how that can be." There were always secrets with the Winchesters and she was pretty sure that transferred over here.

"I'm gonna go talk to him, I'll be back." Jo moved past him and headed back down the stairs to see if she could catch up with him.