Jane Eyre by Charlotte Brontë Chapter 34 Page 54

I did consider; and still my sense, such as it was, directed me only to the fact that we did not love each other as man and wife should: and therefore it inferred we ought not to marry. I said so. “St. John,” I returned, “I regard you as a brother — you, me as a sister: so let us continue.”

“We cannot — we cannot,” he answered, with short, sharp determination: “it would not do.

You have said you will go with me to India: remember — you have said that.”

“Conditionally.”

“Well — well. To the main point — the departure with me from England, the co-operation with me in my future labours — you do not object.