Read it through once

“It was frantic folly to do so, Jane. Think of the task you undertook—one of incessant fatigue, where fatigue kills even the strong, and you are weak. St. John—you know him—would urge you to impossibilities: with him there would be no permission to rest during the hot hours; and unfortunately, I have noticed, whatever he exacts, you force yourself to perform. I am astonished you found courage to refuse his hand. You do not love him then, Jane?”