Before the speaker of «What if» admits a single doubt, he has spent four lines imagining a triumph. "I could fall now. / I could confess my love. / I could make you think wow. / I could make you look above." Every line starts with the same two words, and the repetition works like a runway. The fantasy lifts a little higher each time, from private feeling ("fall," "love") to public effect ("think wow," "look above"). Notice who is doing the acting. "I" opens every line, and "you" appears only as someone to be impressed. The confession is imagined less as a gift than as a performance.
Then the poem stops dead. "But what if." It is three words and a full stop, with the sentence left unfinished, so the grammar itself hesitates. The confident "could" gives way to the anxious "what if," and what follows is a diagnosis rather than a daydream: "my ego is to large / And your trust is to small." The speaker is unusually self-aware. He suspects that the very thing that gave him courage, the wish to dazzle, may be what wrecks him. "Large" and "small" set up a lopsided scale in which his ego takes up too much room and her trust too little, so love has nowhere to stand. (The text spells "too" as "to" both times. It is most likely a slip, but it suits the poem's unpolished, unguarded tone.)
The sound of the poem follows its mood. The opening quatrain rhymes neatly in an ABAB pattern, with "now" and "wow" answering each other, and "love" and "above" doing the same. The chiming feels easy and a little cheerful, like the daydream it carries. After the break the rhyme gets patchier. "Large" and "end" do not match, and the only real chime, "small" with "fall," is held back until the very last line. As the speaker's certainty loosens, so does the pattern, and then it snaps shut.
Rhythm does similar work. The lines are short, mostly two or three strong beats, and every one is end-stopped, with a full stop and no spilling over into the next. Each line reads like a separate step or a separate thought. The four "I could" lines build momentum, "But what if" breaks it, and the closing lines slow to a crawl. Look at how "Then the love will end. / With one steady fall." is punctuated. The second line is part of the same sentence, yet it is cut off by a full stop, as if the drop itself had been sliced away from what came before.
That brings us to the poem's key word, "fall." It appears in the first line and the last, and its meaning reverses between them. At the start, "I could fall now" is the romantic sense, falling in love as a willing leap, with "now" suggesting readiness. At the end the same word means collapse. The poem therefore moves in a circle, and the thing the speaker most wants is also the thing he most fears. "Steady" deepens this. A fall is usually sudden, but "steady" suggests something slow, even, and unstoppable. It is also a word that normally promises reliability, so the one steady thing in this relationship turns out to be its ending.
There is a vertical pattern as well. "Look above" pulls the eye upward, whether toward the speaker on some imagined height or toward the sky, since the line leaves this open. The final line pulls everything down. The poem's whole drama happens along that single axis, between lifting someone's gaze and dropping out of their sight.
One more detail is easy to miss. The poem is full of "could," but the last verb is "will end," the only firm future in the text. Possibility hardens into prediction in the space of a few lines, which is exactly how anxiety works. The speaker never says whether he actually speaks. That open question is what makes the poem worth reading, because it does not describe a confession, a rejection or a breakup. It captures the moment before any of them, when a person is still deciding whether to jump and has already imagined the landing.