The Three-Headed Man discusses their experiences practicing self-observation exercises from PRACTICAL WORK ON SELF chapter three negative manifestation.

The conversation centers on the concept of the human machine, with the participants exploring how much of their daily behavior is merely automatic habit rather than conscious action. They share personal anecdotes, such as Jim's heightened awareness while skiing and Fred's discovery of a specific facial tic associated with judgmental thoughts. Jazzy reflects on his tendency to emotionally absorb his clients' financial stresses, noting how difficult it is to remain a detached observer.

Ultimately, the group examines the Heisenberg principle as applied to the self, suggesting that the act of observing one’s own "mechanical" reactions can fundamentally alter them.