The city of light and romance is home to people famous for their opinions: their likes and dislikes.- But the secret to what makes a Parisian is more than the 75 on their license plate.- Parisian Olivier Magny reveals its a full-time job.To be mistaken for a Parisian, forget about red wine or crème brûl-e for lunch.- Buy the newspaper Le Monde, fold it, and walk.- Then sit at a caf- and make phone calls.- Be sure to order San Pellegrino, not any other kind of fizzy water.- Feel free to boldly cross the street whenever the impulse strikes-pedestrian cross-walks are too dangerous.- If you take a cruise on the Seine, you will want to stand outside, preferably with your collar popped up.- When not taking a ptit weekend away from the city, toss on a scarf and some sunglasses, go to the market for cherry tomatoes, take a stroll in the Luxembourg Gardens with your old friends, and then make an excuse to leave.- To truly be cool in Paris, complain, be on a constant diet, wear black, and above all: follow these rules.