"If you will thank me," he replied, "let it be for yourself alone. That the wish of giving happiness to you might add force to the other inducements which led me on, I shall not attempt to deny. But your family owe me nothing. Much as I respect them, I believe I thought only of you."
– Jane Austen
Pride and Prejudice, Chapter 58. When Elizabeth thanks Mr. Darcy for helping her sister Lydia after she ran away with Wickham, Darcy declares his affection for Elizabeth. He did it all for her, he reveals.