Look, I don’t care if they had like a minute of interaction on the screen when it comes to canon, there’s all these murdery death threat vibes between them and that’s what real relationships are founded on. I mean. Cain flicked Cas into a cart of hay. Obviously, he wants to tussle in the hay with Cas. He just got distracted ok. And Cas was totally ready to whip out his sword for Cain. I think we both know what they really want.
((which is to be retired grumpy old hermits in the mountains with a vegetable garden and a few hives of bees and a really crazy kinky sex life involving doilies and bundt cake))