Sam and Johanna
"Glad you settled back in," she said, genuinely meaning it. Never mind the awkwardness between them, he'd been a friend. Was kind of still a friend? Whatever. And he was both friend of a friend (Jo) and family of a friend (Adam). For their sake -- especially Adam's -- if nothing else, she'd be happy.
And she was friendly with Cas and Mary, so. For them, too.
"And I gotta admit, kinda glad you're back. After that whole weirdness the other month with so many people disappearing, it's nice to have some stability. Yes, I just called a Winchester stable. Enjoy it."