The speaker is stuck in a painful kind of nearness. The poem opens with a contradiction, "So near. / So far," and that tension runs through every line. The person they want is close enough to touch and smell, yet something keeps them apart. The repeated "So close" works like a heartbeat, or like someone pacing in a small room, getting nowhere.
The feeling builds into "So close burn," where the grammar breaks down, as if the speaker is too overwhelmed to finish the sentence. Desire here is something that scorches. The last three lines turn to her: she can't see, can't feel, can't burn. She seems unaware of everything the speaker is going through, and the poem suggests the longing is one-sided. The mood is tense and aching, with a quiet frustration underneath. Because the lines are so short and bare, the loneliness feels sharp, like a feeling the speaker can't hold back any longer.