Most writing about self-love sounds like a poster on a classroom wall. Harbor's "Mantra" sounds more like someone muttering through a bad night, which is why it rewards a close look. Its subject is the distance between the words the speaker wants to believe and what the speaker actually does to themselves. Its central idea is that self-love here is not a feeling already possessed but a promise renewed by repetition.
That idea is built into the grammar. The poem opens with an order, "Recite it over and over again," and the sentence it hands over is in the future tense: "I will love myself." Not "I do." The verb admits that the love hasn't arrived yet. The speaker calls the chant "a feverish prayer," a phrase that mixes devotion with illness, as if the praying is being done by someone running a temperature, desperate rather than serene. The prayer is addressed "to my body and soul," the two things the next lines go on to attack.
That attack is the most vivid writing in the poem, and it begins with the body. "Some nights, I cry and claw at my flesh" is its most physical line, and the hard c-sounds of "cry" and "claw" give it a scraping edge. Then the poem moves to something harder to see: "I take down my esteem and crumble it up." Self-esteem becomes an object, a sheet of paper or a sign on a wall, that can be removed and balled up like a failed draft. "Zero in on me and how I've failed" borrows the language of targeting, so the speaker is marksman and target at once. The semicolons stack these lines up like a list of charges, and then comes the stanza's flat, small verdict: "I do not love that."
That last line is easy to skim past. Notice what the speaker doesn't say. There is no "I hate myself" and no dramatic confession. The line simply negates the mantra in its own plain vocabulary. "That" is also ambiguous. It could mean the failures, the clawing, or the person who does the clawing. The understatement is unsettling because it sounds so tired.
The third stanza names the split directly: "When I am the aggressor." Into that scene the mantra arrives not as a trumpet but as "a faint record gaining strength in repetition." The metaphor is well chosen. A record is old and scratchy, it plays whether or not you are listening, and a faint one only becomes audible as it loops. Set against the loud, active violence of the second stanza, this quiet background sound does its work slowly. The poem never claims the kind voice is winning, only that it grows stronger each time it plays.
Then comes the poem's one real change. In the opening stanza the mantra appears bare, twice over. When it returns, it has gained a tail: "Even when I am a mess." The word "mess" is deliberately unpoetic, the kind of thing a person says about a bedroom or a bad hair day, and it shrinks the speaker's failures to something human and forgivable. "Even when" turns the promise from one that depends on good behaviour into one that holds in the worst moments, which is when anyone needs it.
Formally, the poem is free verse, with no rhyme and no regular meter. Its lines are short and mostly end-stopped, and the speech-like rhythm is steadied only by the refrain, "I will love myself," five even syllables you can almost tap out. Repetition takes the place of rhyme. The poem becomes the mantra it describes, and the phrase "gaining strength in repetition" is also a description of its own method.
What makes it significant is its honesty. It does not pretend that reciting a sentence cures anything. It shows the sentence being said while the damage is still going on, and it lets the two sit side by side. For a young reader, that may be the most useful thing the poem offers: the attempt to be kind to yourself still counts on the nights when it fails.