The quote expresses a deep emotional vulnerability that the speaker feels. They are on the verge of tears without fully understanding the reason behind their sadness. The mention of being on the brink of crying suggests an overwhelming sense of despair and sensitivity to external stimuli, such as other people's attention or words. This highlights the fragility of their emotional state, where even the slightest interaction could trigger an outpouring of emotion.

The reference to crying for a week emphasizes the depth of their grief and the feeling of being unable to control their reactions. It showcases an inner turmoil, illustrating how overwhelming sadness can feel so close to the surface, ready to erupt at any moment. This passage from "The Bell Jar" captures the essence of mental suffering, reflecting the complexities of human emotion and the struggle to maintain composure in the face of profound distress.