Syd's poem is about the quiet that follows a breakup, and how loud it feels inside the speaker's head. Everything outside is still, but memories rush in: the fights, the mornings, the kisses, the paint. The short list lines read like flashes, and "the everything" tells us the speaker can't sort the good from the bad. The whole relationship comes back at once.
The speaker admits to trying to imagine a happy life without this person, but even after many months, the only thing that comes to mind is them. That long, unbroken line captures how stuck they feel. Then the poem ends abruptly with "And I ran to the ocean." We don't learn why, but it suggests a need to escape or to find something big enough to hold the feeling. The mood is raw, restless, and lonely, with a small, unresolved hint of release.