He sees such “phoniness” everywhere in the adult world, and believes adults are so superficial that they can't even recognize their own.
The Phoniness of the Adult World. “Phoniness,” which is probably the most famous phrase from The Catcher in the Rye, is one of Holden's favorite concepts.
All in all, this concluding example confirms that the phoniness of the adult world is a theme that is consistently portrayed throughout the whole.
Rely on bad habits. Need to do wrong to feel right. Feelings of the heart begin to sink. Confused not sure how to feel or think. Confrontation.