Why does Bridget from the sisterhood of the travelling pants go to her grandmothers house and not tell her its her right away?

In "The Sisterhood of the Traveling Pants," Bridget goes to her grandmother's house to connect with her family's past and to find solace after her mother's death. She initially doesn't tell her grandmother who she is because she feels overwhelmed by her emotions and the weight of her loss. This choice reflects Bridget's struggle with grief and her desire to process her feelings in a safe space, even if it means hiding her identity temporarily.