Loneliness is usually pictured as an empty room, which is why these six lines unsettle: they put the feeling in a crowded one. The speaker is surrounded by "people" yet cannot reach any of them. The central idea is that isolation has little to do with headcount. It lives in the gap between being present and being connected, and the poem measures that gap with a single image, the sea.
The title promises a "Metaphor," and the epigraph, «To the sea, I walk,» sets it up before the poem begins. The word order is slightly formal, almost like a vow, with the destination placed first. The opening lines then make the comparison explicit: "it's lonely, like the sea." Strictly speaking that is a simile, but the title points to a larger move, in which the whole scene becomes the metaphor. No water appears anywhere. There are no waves and no shore, only a room with white walls. The sea is carried purely by feeling, by its size and its habit of surrounding you without ever touching you. Judging by the epigraph, the walk "to the sea" is not a trip to a beach but a walk into that feeling.
The key word is "still," used twice. In "Still, it's lonely" it means "even so." In "still it's quiet" it also suggests stillness and hush. "Noises everywhere, still it's quiet" is the sharpest paradox in the poem. The quiet cannot be acoustic, so it must be emotional: sound that arrives but never registers, perhaps like the sea's constant roar, which fades into silence for someone who has listened long enough. The "white" walls work in a similar way. Judging by the imagery, they suggest blankness, with nothing to hold onto. The only visual detail in the room is the absence of detail.
The form is tidy, in three rhymed couplets: me/sea, white/quiet, talk/walk. The middle pair is imperfect. "White" and "quiet" chime but don't fully match, and the sound slips exactly where the lines describe noise failing to be noise. The rhythm tells a story too. The first three lines run to about seven syllables each. The fourth swells to nine or ten as the noises pile up. Then the poem collapses into a four-syllable line and a six-syllable one. It seems to run out of breath, closing in on itself.
"Fake smiles, rigged talk" has no verbs, just two blunt pairs, so it reads as a verdict rather than a description. "Rigged" is a word from games and contests, where the outcome is fixed in advance. Conversation here is scripted, a game the speaker can see through. Then comes "Nowadays," a single word that quietly implies a "before." The isolation seems to be something the speaker has arrived at, not something they were born into. The final line inverts normal word order, "alone I walk," and echoes the epigraph's "I walk," so the poem begins and ends on the same verb. We can't tell whether the speaker leaves the room or whether the room has already turned into sea. That ambiguity is where the metaphor does its work.
What makes the poem worth reading is its compression and its lack of fuss. In about thirty words it names a feeling many readers will recognise: the tiredness of performing sociability while feeling absent from it. It does so without self-pity or ornament, using plain vocabulary, short lines and one well-chosen image. It also leaves a question behind. If the sea is already inside the crowded room, where is there left to walk to?