Kate Noble said this quote

… Looking at her, I think I know better what romantic love is.”… she asked, “What is it?”“It is parental love,” he answered thoughtfully. “Wanting to protect and keep the other person safe. As well as the love of friendship - esteeming the other person, even desiring each other’s company beyond all others. And it is lust,” he said, meeting her eyes, and was rewarded with seeing them darken, her breath becoming slightly unsteady, one little word jerking her out of her clinical assessment. He smiled, a predatory, seductive grin. “The physical needing of the other person, the quickened pulse, the sweaty heat.” His hand, which still rested on hers, began slowly moving, his fingers dancing over her skin. “Combining them makes the result greater than its individual parts. Because it produces something else. It creates … a steadiness. A strength. I can’t explain it well - being only an outside observer - but I only know that out of my friends' relationships, my sister‘s marriage is the epitome of grace.