Few things are stranger than looking back at your own childhood and wondering whether you were really there. Fall Unknown's "When We Were Young" begins in that doubt: "Sometimes I sit and stare, / Wondering if I also shared the days." The word "also" is the odd, revealing one. The speaker doesn't ask whether the days happened, but whether they took part in them, as if they were watching other people's happiness. From that uncertainty the poem moves into a rush of remembered sensations, and then closes by choosing to relive them anyway.
The memories are small and warm: the "Christmas spirit / Flooding me with joy," trains that "moved," laughter shared with a dad, music felt "through my bones." The poem never explains the trains. Given the Christmas setting, they could be a toy set running under a tree, though that is an inference, not something the text confirms. The vagueness suits the subject. Memory keeps the feeling and loses the exact picture. The line "Oh how the trains moved" is pure exclamation, with no description, just delight still audible years later.
The poem's sounds and senses carry much of its meaning. "Flooding" suggests joy arriving faster than the speaker can control, and "reverberating through my bones" turns music into something physical, a vibration the body stores. The most touching image is "Singing along without a know of the lyrics." The grammar is clipped, but the idea is clear: a child joins in wholeheartedly without understanding the words. Happiness here doesn't depend on knowing anything. It is also a quiet comment on memory itself, since the speaker now hums along with a past they only half understand.
The same phrase, "cry out in laughter," blends two opposite actions. Crying out is what you do in pain or alarm, but here it is laughter, and the line anticipates the "bittersweet" of the closing lines. The poem never says why the sweetness has a bitter edge, but the word "reminiscent" and the opening doubt suggest the days are gone and cannot be re-entered.
Structurally, this is free verse with no regular rhyme scheme and no steady metre. Lines run from a few syllables ("Oh how they were good") to longer, looser ones, so the poem reads like thinking aloud. One faint echo holds it together: "days" ends line two, and "days" ends the last line. The poem opens and closes on the same word, as if the speaker has walked a loop and arrived back at the starting chair. The recurring "-ing" words ("Flooding," "reverberating," "Singing," "Reminiscing") leave actions open-ended and unfinished, which is how nostalgia feels.
The last two lines turn to technology and film: "Like a melody, I play the tapes. / Like a bittersweet montage I replay." Tapes suggest an older, analogue way of keeping the past, and the speaker treats memory the same way, pressing play, rewinding, repeating. The "montage" is a good choice of word, since a montage is edited. It selects the best moments and cuts the rest, which may be why the memories feel so bright and why the speaker questions them at the start. The repeated "Like" also shows the speaker reaching for comparisons because plain description isn't enough.
Then there is the final word-colour, "vermilon days." The spelling appears to be a variant of "vermilion," a vivid red-orange. Judging by the Christmas setting, the red might evoke festive warmth, but the poem doesn't say so. What matters is that the speaker remembers their past in colour, saturated and intense. Earlier lines name feelings; the last line gives the whole stretch of time a single hue.
The poem's language can be rough. "I reminiscent" is missing a verb, "a know of the lyrics" a noun, and "Oh how they were good" is oddly ordered. Rather than hiding these, a reader can see them as part of the effect. The speech is a little breathless and unpolished, like someone talking about a memory that matters more than correct grammar. This is where its significance lies. It doesn't claim that childhood was perfect or that memory is reliable. It shows a person who isn't sure they belong to their own past, yet who still sings along, laughs with their dad, and presses play again.