In "The Amber Spyglass" by Philip Pullman, Mrs. Coulter confronts Will with a sense of urgency. Despite sensing a reaction from him, she maintains her composure and decides to reveal the truth about her daughter, suggesting a complex relationship between them. Her admission reflects her exhaustion from deceit and sets the stage for a more honest dialogue.

She expresses uncertainty about Will's knowledge and intentions but feels compelled to be transparent. This moment highlights not only the tension between the characters but also the themes of trust and revelation that permeate the narrative, marking a pivotal point in the story where secrets may finally be laid bare.