Spoken by someone who feels shut out and can't work out why, the poem is a short, raw question. The speaker goes through a quick checklist of things that might explain the dislike: talking behind people's backs, whispering secrets. Each time the answer is no. They've done none of it, and yet the hostility is still there.
The most telling moment is the small hesitation in the second line: "I don't think." It shows how unsure the speaker has become. They're so confused that they start doubting their own memory and wondering whether they've missed some mistake. The repeated "I've never" sounds like someone defending themselves in an argument nobody has started, and the plain, simple wording makes the hurt feel honest rather than polished.
The mood is sad, vulnerable and a little bewildered. Ending on the same question as the title leaves it unanswered, which suggests the speaker is still stuck in the same painful place.