Nothing in the first three lines suggests heartbreak. "Autumn is the season / when the leaves, / fall to the ground" could come from a school science book, a plain definition of the kind children learn early. Then the fourth line repeats the phrase and changes the subject: "As I fall to the ground." With one small word, "As," the speaker stops observing nature and joins it. The leaves fall and so does the speaker, and the fifth line gives the reason in a blunt fragment: "Because of autumn."
The poem is about loss, and its central idea is a quiet paradox. The speaker loves autumn, but autumn is the season that, by its nature, doesn't last: "Autumn doesn't stay for ever." So this is a love that was always going to end. No one is blamed for betrayal. The loss is simply built into the thing that was loved. That makes the grief harder to argue with, because nobody did anything wrong. Time did it.
The most striking move comes in the middle, when the pronoun changes. For five lines autumn is an "it," a season. Then, quietly, it becomes "she": "she was, / the love of my life." The personification arrives in the past tense, so we meet her at the moment she is already gone. The earlier present tense ("is," "fall") gives way to "loved," "went," "left." Whether the speaker is mourning a real person or truly a season, the poem lets both readings stand, and the blur is part of its power. The name attached to the poem, "lost and found," seems to fit this tension, though the text itself gives us nothing else about who wrote it, and it doesn't need more.
The poem has no rhyme. Repetition does that work instead. "Autumn" appears four times in the body of the poem, like a name the speaker can't stop saying, and "fall to the ground" returns almost word for word. (In American English autumn is also called "fall," so the verb quietly echoes the season's other name, whether or not that was intended.) The lines are short and uneven, and in the middle they shrink to fragments: "she was," / "but she went," / "and just left." Each fragment drops down the page like a single leaf, and the commas that end them keep the speaker hesitating, as if the sentence can't quite be finished. Even the punctuation seems shaken. A comma interrupts "the leaves, / fall to the ground," where none is needed, and "Because" gets a capital letter after a comma. These small roughnesses make the voice sound raw rather than polished.
The ending is the poem's best piece of construction. The natural phrase would be "she just left a tree without leaves behind." Instead the tree is wedged between "left" and the final word, "Behind." The reader must wait through the image of the bare tree before the sentence completes, which acts out what being left behind feels like. "Behind" then sits alone on its own line, with a capital and a full stop, so the poem finishes by stranding its last word. The split spelling "with out leaves" may be an accident, but it adds something: "with" and "out" pull apart on the page, a small picture of having and then not having.
The bare tree also answers the opening. The leaves fell, the speaker fell, and now the speaker is what remains standing: stripped, rooted, waiting. Nothing says winter is coming, yet the image suggests it, and the poem stops before offering any comfort or promise of spring.
What makes the poem worth reading is how much it does with so little. It takes the most familiar comparison in poetry, autumn as ending, and makes it personal through one pronoun and one repeated line. It uses simple words, and that simplicity makes the sadness feel direct and unguarded. Its lesson for a young reader is practical: you don't need elaborate language to make a feeling land. Careful line breaks, a well-placed repetition, and a last word left alone can be enough.