> That'll depend on how well you follow direction won't it?
Clearly Jo is a smart girl (which he'd picked up a little of before, sure, when 'before' had been about drinking and trading stories about bases passed and the like and not desperate hunts and wanting to hurt people in ways it makes him uncomfortable to look back on); she's got the Just Carry On Regardless memo without him really having to send one, and it's easy enough for some of the Old Dean to resurface. He shoots Sam a deliberately dirty grin, all are you hearing this? eyebrows, gives him a conspiratorial tap on the back (the universal I'm so in there). “Y'hear that, Sammy? Bossy chicks are awesome. Makes me all warm-n-tingly when they take con-”
> And don't worry, my mom only busts out the guns for the real threats
“-wait.” And then he just looks confused as Jo sweeps out of the room, ridiculous blanket-cloak trailing behind her. “What's she mean, I'm not a 'real threat'?” Sam gets a final dude, how is that fair? pout as Dean offers a steadying hand to help him up so they can go get these supposedly-awesome burgers.