"Is it ice-water you want ?" Then I saw that it was Nixon, the butler, and shook my head in mingled anger and perplexity; for not only had he advanced quite noiselessly, but he was looking at me with that curious concentrated gaze which I had met twice before since coming into this house.
"I need nothing," said I, with all the mildness I could summon into my voice; and did not know whether to like or not like the quiet manner in which he sidled out of the room.
"Why do they all look at me so closely ?" I queried, in genuine confusion.

"The man had no business here.

I did not ring, and I don't believe he thought I did.

He merely wanted to see what I was doing and whether I was enjoying myself.

Why this curiosity?
I have never roused it anywhere else.