Julia Quinn said this quote

He murmured her name, tenderly taking her face in his hands. “I love you,” he said, his voice low and fervent. “I love you with everything I am, everything I’ve been, and everything I hope to be.”“I love you with my past, and I love you for my future.” He bent forward and kissed her, once, softly, on the lips. “I love you for the children we’ll have and for the years we’ll have together. I love you for every one of my smiles, and even more, for every one of your smiles.