Almost every line here begins with "I remember," and that repetition is the poem's whole engine. The speaker is stuck in a loop, going back over a relationship that ended badly. The memories are a mix of the emotional and the physical: silence, insulting looks, "dried commitments," whispers that still haunt, and the line "love turns to dust." The speaker also admits they never liked "the closure," so letting go clearly hasn't come easily.
The mood is sad, heavy and a little eerie. The months in the second half (December "of colds," November "of ghosts," August slipping away) give the sense of time passing while the speaker stays frozen in place. "I remember when I almost died" is the darkest moment, and it suggests the pain went deeper than heartbreak, though the poem doesn't say exactly what happened. Ending on "I remember the scene..." with a trailing ellipsis leaves the memory unresolved. The speaker comes back to where they started, still unable to move on.