Before the poem says anything about walls, it hands us a pile of insults. "Call me run through / call me a hoe / call me what you want" is three commands in a row, each one flatter and more careless than the last. The speaker is not asking for a kinder label. The repeated "call me" is almost a shrug, and the short line that follows explains why: "because i know." Nothing the name-callers say can land, because the speaker has already done the judging. "Run through" is slang for someone with many past partners, but the phrase also has an older sense of being pierced by a blade. Whether or not that was intended, it suits a poem about being hurt and then defending oneself.
The confession that follows is deliberately plain. "I've made mistakes in partners" and "started things i couldn't finish" are unglamorous admissions with no named lovers, no story and no excuse. The lines lengthen here, as if the speaker is settling in to say the difficult thing properly. Then comes "excuse me, im here and i fall / i stumble at points." The phrase "excuse me" works two ways. It can be an apology, or it can be a firm interruption, a claim to space. "Im here" insists on presence, and the verbs that follow, "fall" and "stumble," arrive with no punctuation between them, so the syntax trips a little as it goes.
Formally this is free verse. There is no steady meter, and the lines swing from three words to a full breath. The one clear rhyme is "fall" and "wall," and it matters because everything around it is unrhymed. The chime turns the poem's logic into sound: the fall causes the wall. The connecting word "so" in "so i've built up a wall" is as blunt as the cause and effect it describes. The surface of the text adds to this. Every "i" is lowercase, and "im" has no apostrophe while "i've" does, so the voice sounds typed quickly and left unpolished. That fits a speaker who has stopped dressing herself up for other people's approval, though the lowercase "i" could also be read as a self that keeps itself small.
The most interesting movement is in the number of walls. First there is "a wall," a single defensive structure. Then there are "walls," and finally "these walls," with a demonstrative that sounds like someone gesturing around a room. One barrier has become an interior. The verb "confine" pulls toward prison, yet the sentence ends not with isolation but with "me and you." The wall shuts people out, but it also shuts a pair in, and the tangled phrase "confine me to me and you" lets self and other almost merge. A reader expecting the wall to mean loneliness finds it means a kind of shared shelter.
The ending leans hard on that reversal. "I've never been truly happier" is a confident claim, and the word "truly" protests a little, as though the speaker expects to be doubted. Then the walls are personified as witnesses: "they've seen the best of me." The pronoun "they" is slightly slippery. It could mean the walls themselves, or it could suggest the people inside them. Either way, the best version of the speaker is shown only in enclosed, private space, which is both comforting and a little worrying. A wall protects, but it also limits who gets to see you.
The title carries the same tension. «walls.» is lowercase, set in guillemets like a quoted word, and closed with a full stop that shuts it like a door. The quotation marks make it feel like a reply spoken back to the name-calling of the opening.
What makes the poem worth reading is the way it refuses the two usual responses to shame, denial and collapse. The speaker admits the mistakes without grovelling and keeps her dignity without pretending to be spotless. She also takes the most familiar image of emotional damage, the wall around the heart, and turns it into a place where happiness is possible. Whether that happiness is hard-won or slightly rationalised, the poem leaves open, and that open question is part of what makes it feel honest. Nothing is known here about the writer beyond the name "cloverthoughts," and the poem doesn't need more. Everything it has to say is in its short lines.