What is the importance of Paris in the novel, Adèle?

Adèle and Richard live in Paris, and most of the action of the novel takes place in the city. Adèle loves Paris because she can move around anonymously and has lots of freedom. She can sleep with different men every night and never worry about running into them again. Richard wants to leave because he thinks it is no place to raise a child. Adèle wants to stay because she cannot imagine herself without the city.