The speaker of Wheatgrass007's «Quite the Prison» is locked up and has also done the locking. Over seventeen lines the poem follows one uncomfortable idea: some of the worst confinement is self-made, and knowing that does not make it easier to leave. The bars are "forged within my mind," the key is already in the speaker's hand, and still the speaker will "kick and scream to be set free," as if someone else were holding the door shut. Nothing is known to me about the writer beyond the name the poem appears under, so what follows stays with the words on the page.
The tone is dry from the start. "Quite the prison" is something you might say with a raised eyebrow, and "Yes, it's of a special kind" keeps up the sardonic understatement, like a tour guide showing off a rather grim attraction. Then the syntax bends: "I do confine / Me in." The line break strands the word "Me" at the start of the next line, so the self is held across the gap, locked in by the sentence itself. It is a small effect, but the grammar acts out the situation it describes.
Rhyme works as a second set of bars. The opening quatrain interlocks tightly, with confine/design and kind/mind. Then comes a triplet, "free," "key," "misery," three lines on one sound and no way out of it. The key and the misery end up rhymed, which suits the poem's point that the cure and the pain sit in the same place. Later the pattern loosens. Past/last and forgotten/Begotten still pair up, but the final word, "kiss," only half-answers "persists." Because the poem has an odd number of lines, that last one stands alone. The rhythm is similarly relaxed: lines run between about six and ten syllables, loosely iambic, closer to someone reasoning aloud with themselves than to a strict metre.
The imagery shifts in an interesting way. The jailor is "a demon of my creation," which makes the logic of the following lines both bleak and slightly absurd. The speaker "had hoped she had forgotten" the old quarrels, yet she is the speaker's own invention and can only remember what the speaker remembers. The hope is self-deceiving, and the poem seems to know it. "Quarrels" carries a double meaning, since it can be arguments or crossbow bolts, and the surrounding words, "attacks," "striking," "rage," support both. Then the prison becomes "this bird's cage." The word "this" makes it feel near and present, and the picture shrinks the speaker from an inmate into something small and fragile. Judging by the imagery, a bird is a creature that could fly, so the open door is never far from view.
The jailor is a "she," and the pain began with a kiss. The poem never says so outright, but it suggests that the quarrels belong to a relationship and that the demon may stand in for a person, or for the speaker's guilt over one. The ambiguity is useful, because it lets the reader supply their own version. The capitalised "Begotten" is the most puzzling moment. It probably echoes the religious phrase "only begotten," which would lift the speaker's suffering to something almost sacred, though that is an inference. It is also the word that rhymes with "forgotten," and here the rhyme scheme seems to steer the meaning a little.
The last line carries the poem. "To think this started with a kiss" is rueful and deflating. After demons, rage and torture, the origin turns out to be tender and tiny. The poem's force lies in that mismatch, a very small beginning and a very large prison. The speaker never says how to get out, and the poem has no rescue. Even so, "I hold the key" is neither self-pity nor an easy lesson. It admits the responsibility while showing how hard it is to act on, which is why the poem is worth reading. It describes the way a mind can keep replaying old arguments long after anyone else has stopped, and it ends with a question about where it all began.