I LOVED this. It was unscripted. And Mary's reaction is priceless." And no, they both respond that he's an ANGEL and she's like, "Whaaaaat?" She ships it.<--- her face just says my son has a boyfriend whaaaaat?
Dean and Cas It's also the same look he gets when he wants to eat a particularly good looking cake so yeah no it's totally canon and the writers are just assbutts that are queer baiting us to the point of insanity