Four lines, and three of them begin with the same word. That repetition drives the whole poem. Alex McLean's "Why?" has no scene and no story. It lets one question circle, the way it does in the mind of someone lying awake and unable to stop asking. The speaker feels "numb and distant," believes "no one" notices or cares, wonders whether they are "a burden to you all," and then, in the last line, turns the hurt into a warning. The central idea is how loneliness sours: bewilderment about oneself hardens into anger at everyone else.
The structure follows that change. The first line looks inward ("Why do I feel..."). The second looks outward, but vaguely, at "no one," a crowd without faces. By the third line the speaker has someone to blame, and the pronoun lands like a pointing finger: "you all." The grammar shifts too. The first two lines are genuine questions, but "Am I a burden to you all." ends with a full stop, not a question mark. Whether or not that was intended, it reads as an accusation dressed up as a question, as if the speaker already suspects the answer. By line four the questions have run out altogether.
The word choice repays slow reading. "Numb" is a word from the body and "distant" a word from space. Together they sketch someone who can neither feel nor be reached. "Notice or care" names two separate failures, one of attention and one of feeling, and the speaker seems to mind both. Then comes "burden," the heaviest word in the poem, a metaphor of weight. It sits oddly beside "numb": the speaker feels nothing, yet feels like a load someone has to carry. That contradiction may be truer to loneliness than a tidier image would be.
Sound and rhythm do quiet work as well. The first three lines are short, eight or nine syllables each, and steady enough to sound like speech. "Distant" and "care" do not rhyme, so the opening has little music. Then "all" and "call" close as a rhyming couplet, and the final line balloons to roughly fifteen syllables, spilling well past the others. Read aloud, "Just don't turn to me when I'm the only one you have to call" has to be rushed, like something held back too long. The poem finds its first rhyme at the moment of sharpest feeling, and the line snaps shut like a door.
That last line is the most interesting one. "Just" sounds like a shrug, a defensive pretence of not minding. "Call" is the one concrete, everyday image in a poem of abstractions: a phone, a name on a list. It makes the threat believable, because we can picture being the last number someone dials. The line also quietly admits that the speaker still expects to be needed. Judging by the text, the anger is a protest from someone who wants to be wanted.
Part of the poem's significance lies in its plainness. Nothing says who "you all" are, whether family, friends or classmates, so readers can fill in their own. It offers no answer and no comfort. Its ragged edges, the missing question mark and the lopsided final line, keep the sense of a voice speaking before it has been tidied up. For students it is a useful reminder that a poem doesn't need elaborate metaphor. Repetition, a shifting pronoun and one broken pattern can be enough to make a feeling instantly recognisable.