Read it through once

"I do not know," said he, after a pause of expectation on her side, and thoughtfulness on his own, "how _you_ may have accounted for my behaviour to your sister, or what diabolical motive you may have imputed to me. Perhaps you will hardly think the better of me,--it is worth the trial however, and you shall hear every thing. When I first became intimate in your family, I had no other intention, no other view in the acquaintance than to pass my time pleasantly while I was obliged to remain in Devonshire, more pleasantly than I had ever done before. Your sister's lovely person and interesting manners could not but please me; and her behaviour to me almost from the first, was of a kind--It is astonishing, when I reflect on what it was, and what _she_ was, that my heart should have been so insensible! But at first I must confess, my vanity only was elevated by it. Careless of her happiness, thinking only of my own amusement, giving way to feelings which I had always been too much in the habit of indulging, I endeavoured, by every means in my power, to make myself pleasing to her, without any design of returning her affection."