in any rite, or system of rites, of initiation the same three stages are to be distinguished as in the rituals of Australia, namely: separation from the community, transformation (usually physical as well as psychological), and return to the community in the new role.
— Joseph Campbell
Three stages, and the middle one is where everything actually happens — or fails to happen. Separation is legible; return is legible; transformation is the darkness between, the one that cannot be narrated from inside itself. Campbell is precise here: transformation is usually physical as well as psychological, which means it leaves a mark on the body. Not a metaphor, not a shift in perspective, not a reframe. Something in the flesh has to change, which is why transformation cannot be substituted by insight alone, however brilliant.
The difficulty that most modern appropriations of this schema inherit is treating the return as the point — as vindication, proof of passage, credential. But in the rites Campbell studied, the return served the community, not the initiate's self-concept. You came back changed so that others could orient themselves by what you carried. The transformation was never yours to keep. It was a new capacity for a specific social function, and the community recognized it because they had witnessed the ordeal, not because you reported it.
What happens when the community is absent — when there is no one to witness the separation, no one to recognize the return? The middle stage loops. The ordeal repeats without completing. That is the shape of much contemporary suffering: not failed transformation but transformation with nowhere to land.
Joseph Campbell·Primitive Mythology (The Masks of God, Volume I)·1959