Asking for help sounds easy, and the speaker opens by wondering why it feels so impossible. The answer unfolds as the poem goes on. They have always been the dependable one, the person who listens, props others up and "holds the foundations together" while everyone else rebuilds. Hiding behind that happy, capable image, they feel they have no right to add their own troubles to other people's.
But the strain has built up. The speaker describes themselves as broken so completely that the darkness is "oozing out of the cracks," a vivid picture of pain that can no longer be contained. Out of that breaking point comes a decision to put themselves first and to admit they cannot fix everything alone.
The mood moves from quiet frustration and exhaustion to a raw, hopeful vulnerability. The final plea, in quotation marks and trailing off with dots, feels fragile but brave, as if the speaker is saying the word aloud for the first time in years.