In psychotherapy you learn about the "window of tolerance", the internal mental and emotional space where you process the world's stressors in a calm and rational way. The wider your window the more you can self-regulate.
Below the window is hypoarousal- lethargy, numbness, dissociation, and a refusal to engage with provocative or threatening stimulus. Above is hyperarousal- anxiety, panic and rage, fight or flight response, hysteria, violence.
Healthy people, ideally, don't extend outside the window. They communicate rationally, solve problems peacefully, and live in healthy synthesis with their environments.
Andrzej Zulawski isn't remotely interested in those people.
You know this if you're seen Possession, of course, but he somehow pushes further outside the window of cinematic tolerance, as it were,…