71. Obsession presents three main, well-characterized degrees: simple obsession, fascination and subjugation. In the first, mediums are perfectly aware that they are not receiving anything good and they are not mistaken about the nature of the spirits who insist on manifesting through them, and from whom they would love to disentangle themselves. This sort of case is not all that serious: it is only a mere inconvenience and the medium can get rid of it by not writing for a while. When the spirit tires of not being listened to, it leaves.
Obsessive fascination is much more serious in that the mediums are completely deluded. Spirits who control them gain their trust to the point of paralyzing their judgment in analyzing their communications and making them believe that the most absurd things are truly sublime.
The distinctive characteristics of this type of obsession is that of causing mediums to be excessively susceptible; to believe that only what they themselves write is good, just and true, rejecting and even regarding as evil all critical advice and every critical observation; to break off relations with their friends rather than admit that they have been deceived; to envy other mediums whose communications are deemed better than theirs; to want to control Spiritist meetings, which they leave if they cannot prevail. They end up suffering such overwhelming domination that the spirit can compel them to assume the most foolish and compromising attitudes.