Castiel learned a lot about what it means to be human on tonight’s Supernatural. He got annoyed with having to constantly pee, he had to learn how to ration his food, he started noticing boobs, he had sex, he died. You know, normal stuff. But the hardest human lesson of all probably came at the end of the episode, when he learned what it’s like to have your friends turn their backs on you.
But why’d the Winchesters give Cas the heave-ho? I’ll explain, but first, let’s go back.
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