This section is all about whether or not you are chic. Madame Dariaux does not give an exact definition, only examples, but hints at how you might determine if you are chic:
"Chic is only perceptible to those who have already acquired a certain degree of civilization and culture and who have in addition both the leisure time to devote to improving their appearance and the desire to be part of a particular kind of elite, which might be called the 'aristocracy of external appearance." (pg. 20)
Since Madame Dariaux's standards are high, yet vague, I can confidently say that I will never be chic in her eyes. She sees Greta Garbo and Lady Diana as examples as women who "had chic," but dismisses Rita Hayworth and Elizabeth Taylor with little discussion. In fact, the whole thing seems incredibly subjective so attempting to become chic in one social circle may be for naught if you ever decide to move locations or make new friends.
But this is not to say that we should not make an effort to dress well. Instead I think it is more important to be thoughtful about what occasions you put your time and energy into. Attending a wedding or gala benefit is a great time to spend a bit of extra leisure time tending to your appearance so you can look elegant and sophisticated. Going to the grocery store or to watch your kid's soccer game? Not so much. Looking stylish doesn't need to be hard if you realize that different events require different amounts of effort and if you accept it is unlikely that anyone will mistake you for Greta Garbo, no matter how chic you may think you are.
Dariaux, Genevieve Antoine. A Guide to Elegance. New York: William Morrow, 2003. Print.