He can not leave the house. It soon becomes evident at the horrific level that the non-separating component is part of a larger plan that Andi has put into place before.
I do not speak from my personal experience, but the steps of bondage do not seem so different from the stages of grief. Once insecurity has diminished, Clare starts to get angry, but Andi’s living quarters are designed to evilly embrace him and his anger.
The film is based on the 2011 novel by the same name by Melanie Joosten, but a certain audience will discover the closeness of William Wyler’s 1965 film “Collector” based on the novel by John Fowles. The third feature, director Cate Shortland, depicts the specific psychological initiatives and outcomes of Claire’s corruption and captive prisoner dynamics with clear, sometimes distressing details.