They lagged behind, while Elizabeth, Kitty, and Darcy were to entertain each other.

Very little was said by either; Kitty was too much afraid of him to talk; Elizabeth was secretly forming a desperate resolution; and perhaps he might be doing the same.
They walked towards the Lucases, because Kitty wished to call upon Maria; and as Elizabeth saw no occasion for making it a general concern, when Kitty left them she went boldly on with him alone.

Now was the moment for her resolution to be executed, and, while her courage was high, she immediately said: "Mr.Darcy, I am a very selfish creature; and, for the sake of giving relief to my own feelings, care not how much I may be wounding yours.

I can no longer help thanking you for your unexampled kindness to my poor sister.

Ever since I have known it, I have been most anxious to acknowledge to you how gratefully I feel it.