In the end, complex family relationships are the only true horror story. Because you can quit a job. You can move to a new city. You can change your name. But you cannot change your blood. And that beautiful, terrible, inescapable bond is why, as long as humans tell stories, we will always gather around the fire to watch a family fall apart. It makes our own chaos feel a little less lonely.

The best family drama doesn't offer a solution. It doesn't promise that the Roys will reconcile or that the Sopranos will get therapy. It promises catharsis through recognition. When Shiv Roy betrays Kendall at the final moment, we are horrified—but we also nod. We have seen that move before. We have felt that betrayal. Not from a corporation. From a sister.

Modern examples abound. The Lannisters in Game of Thrones take sibling rivalry to its most gothic extreme (love, hatred, and incest rolled into one). The Bridgertons, despite the veneer of romance, are a show about how eight siblings navigate the limited resource of their mother’s attention and the marriage market. When one sibling succeeds, the other secretly seethes. That secret seethe is the heartbeat of the story.

Freud called it "repetition compulsion." Storytellers call it "character development." Complex family drama shows us that we rarely escape our upbringing; we just find new arenas to replay it.