The brackets in the title do a lot of work. Drop the "ed" and "Fool" is a noun, a fixed identity. Keep it and "Fooled" is something done to a person. The poem moves from one to the other. In line 4 the speaker says "I've been fooled again," and in the last line says "I'm a fool again." The grammar quietly turns an event into a character trait.
On the surface the poem recalls a woman whose attention seemed real: honest eyes, a sincere voice, compliments, constant flirting, a glowing smile. Then it all stops, and the speaker concludes that this has happened before. The central idea is that the deepest hurt comes less from her than from recognising a pattern. By the end the speaker barely mentions her and talks about "the cycle never-ending" and "the role I was born to play."
The construction supports this. Every line ends in a comma until the final full stop, so the poem reads as one breathless sentence with no room to pause or rethink. Much of it is built from verbless fragments: "Flirting constant, / Smile glowing." These read like items on a list of evidence, as if the speaker were going back over the facts to find where they went wrong. The second half then answers the first almost point for point. "Her voice sincere" becomes "Her sincere voice goes silent," "Smile glowing" becomes "Her smile is no more," and "Flirting constant" becomes "Flirting non-existent." The same details are used for the rise and again for the collapse, which makes the whole thing feel mechanical.
The word choice is worth a closer look. The early lines pile up the vocabulary of authenticity: "honest," "sincere," "genuine." So many reassurances in a row begin to sound like someone trying to convince themselves. Then come "constant" and "consistent," which suit a machine better than a person. Later "Curiosity displayed" and "Emotions exerted" describe something shown and worked at rather than felt. The poem never says outright that she was acting, but these words lean that way. The very first verb, "seemed," hedges the whole description. Notice too that the verdict "I've been fooled again" arrives in line 4, before the memory is finished. The speaker cannot describe her without hindsight breaking in, which is how regret behaves.
There is no regular rhyme scheme, and the repeated "again," which closes four lines (4, 8, 16 and 20), does the work rhyme would. The one true rhyme is "displayed" and "played" in lines 10 and 12, with "exerted" between them, and it lands on the poem's central metaphor of performance. "The fool I played" means the speaker acted the part, but it also hints at being played, as in manipulated. "The role I was born to play" develops the idea and shifts responsibility onto fate, which is a small act of self-protection. The slightly awkward line "Mistaken of her identity" is revealing in the same way. The error belongs to the speaker, who misjudged who she was. It may also mean the speaker never saw anything but her signals, since she appears only as a set of behaviours with no name, no history and no spoken words.
That absence is part of why the poem matters. It does not accuse her of lying. "Seemed" and "displayed" leave room for a gentler reading, in which friendliness was mistaken for interest. Either way the speaker takes the blame, and the poem is honest about the shame of misreading someone and of doing it more than once. Its plain, repetitive language suits that feeling, since the speaker has no elaborate metaphors to hide behind.
The ending is the cleverest part. The only full stop in the poem comes after "again," a word that promises repetition. The sentence is finished, but the cycle it describes is not, and the reader is left with the sense that the poem could start over from its first line.