The quote reveals the speaker's perception of themselves as imperfect and unworthy of the idealized story others may imagine. They feel they have built up an image of themselves that doesn't match reality, highlighting a sense of self-doubt and inadequacy.
It emphasizes the contrast between how the speaker is perceived and how they see themselves. The speaker struggles with low self-esteem, believing they don't deserve the beautiful story others might envision for them, acknowledging their flaws and imperfections openly.