Jealousy and heartbreak drive this short piece, which is addressed to "you" rather than "I." That choice makes the pain feel a little distanced, as if the speaker is talking to themselves, or to anyone who has felt the same way. The situation is simple: someone hears a woman's name spoken lovingly by the man they care about, and it hurts.
The most striking image is the name "rolling sweetly" off his tongue. The word suggests ease and tenderness, something he says without effort. Against that, the speaker pictures the name "sleeping soundly" on their own lips, which turns the name into something restful and safe. The contrast between his lips and the speaker's makes the longing clear: the speaker doesn't just want him, they want to be the one who belongs in that intimate, nightly space.
The mood is quiet and aching. The trailing ellipsis leaves the thought unfinished, as though the hurt has no neat ending and simply goes on.