Michael: You fellas didn’t think this out, did you? Even if you could force me out, what do you think I’d leave behind, hm? (to Dean): You’d be nothing but blood and bone.
Dean Winchester: Then we don’t kick him out. We keep him in. (they push him in the walk-in fridge)
Dean Winchester: It’ll hold. My mind, my rules. I got him. I’m the Cage.
From Supernatural – Season 14 Episode 10: ‘Nihilism’ (14×10)