Someone the speaker loves is slipping out of reach, and the speaker can feel it happening a little more each day. The poem never says why. The person might be gone, distant, or lost in some other way, and that openness lets the feeling stand on its own: the quiet panic of watching a loved one blur in memory.
The speaker describes the loss in small, physical details. The touch on their skin melts away, and a voice shrinks to "a whisper on the horizon." Then comes a sharp turn: "or is it me? where have i gone?" Here the speaker wonders whether they are fading too, as if losing someone means losing part of yourself.
The ending drops the questions and becomes a plea. "Come home to me" is simple and direct, and the promise to "never let go again" hints at regret. The mood is tender, aching, and a little desperate, with the lowercase, plain style making it feel like a private whisper.