She sat on the edge of the bed, meeting his eyes as he asked the question, and hesitated, then slowly replied. "It's...I'm not gonna lie. It got pretty damn rough. With Dean's deal, then Lucifer, and the apocalypse..." Jo trailed off, shaking her head a little. This probably didn't mean too much to him, but she'd try anyway.
"Look...I'm not sure if I can even tell you stuff because it might mess things up or whatever, but...a piece of advice? You meet a blond named Ruby...you run. Don't talk to her, don't listen to her, don't trust her. Promise me that, Sam." From what she'd been told by Dean and Sam over drunken talks in her own timestream, it sounded like everything had begun with Ruby.