Someone who is no longer around keeps showing up in the speaker's thoughts. The poem opens with "There you go again," a line that sounds half annoyed and half fond, as if this has happened many times before. The memory moves "tiptoeing" through the mind, gentle and almost shy, yet it acts as though it belongs there.
What the speaker is left with are small, intimate things: smiles, a lingering touch, and words the two of them played with and made up together. The image of "building a home" suggests that this person did not just visit but settled in. The word "uninvited" adds a note of resistance, though the speaker never sounds truly angry.
The mood is wistful and tender, with a little frustration underneath. The last line, "long after you're already gone," lands quietly and shows the real problem: the person has left, but the feeling of them has not.