Read it through once

‘I know that she deserves the best and purest love the heart of man can offer,’ said Mrs. Maylie; ‘I know that the devotion and affection of her nature require no ordinary return, but one that shall be deep and lasting. If I did not feel this, and know, besides, that a changed behaviour in one she loved would break her heart, I should not feel my task so difficult of performance, or have to encounter so many struggles in my own bosom, when I take what seems to me to be the strict line of duty.’