What is the fine-grained topic of the following text: Waitress Claudia stagnates in a relationship with her faithful but ho-hum boyfriend (Sayreville, N.J., native-turned-rock-star-turned-actor Bon Jovi), only to be jolted out of her rut by the return of her ex, Charlie (Burns). Only return the topic.
A waitress reevaluating her current relationship when her ex-boyfriend returns.