With the story being told from the basis of notebooks it is clear a turning point has happened.
That change comes as a result of Adam's desperate Pershing of Michele and his demands for money. He lists the things he needs for a simple life but most depend on money. So he goes after it. but that brings the police, the owners of the house he is squatting in as well as an assualt charge against Michele.
After a break he reappears and launches into an impromptu speech that lands him in a mental home. Once there the interrogation begins.
Without giving the ending away it is possible to say that the reader is provoked onto considering just what is madness and whether it is possible to escape from the world by escaping into yourself.
A review will come soon...