Read it through once

“Well, Mr. Holmes, from the moment that I understood that there was something about that suite of rooms which I was not to know, I was all on fire to go over them. It was not mere curiosity, though I have my share of that. It was more a feeling of duty—a feeling that some good might come from my penetrating to this place. They talk of woman’s instinct; perhaps it was woman’s instinct which gave me that feeling. At any rate, it was there, and I was keenly on the lookout for any chance to pass the forbidden door.