Cassandra Clare said this quote

“ scrub oak trees. Kieran was leaning against him, pinning him to the tree, and they were kissing. Cristina hesitated a moment, blood rising into her face, but it was clear Mark wasn’t being touched against his will. Mark’s hands were tangled in Kieran’s hair, and he was kissing him as fiercely as if he were starving. Their bodies were pressed together tightly; nevertheless, Kieran clutched at Mark’s waist, his hands moving restlessly, desperately, as if he could pull Mark closer still. They slid up, pushing Mark’s jacket off his shoulders, stroking the skin at the edge of his collar. He made a low keening sound, like a cry of grief, deep in his throat, and broke away. He was staring at Mark, his gaze as hungry as it was hopeless. Never had a faerie looked so human to Cristina as Kieran did then. Mark looked back at him, eyes wide, shining in the moonlight. A shared look of love and longing and terrible sadness. It was too much. It had already been too much: Cristina knew she shouldn’t have been watching them but she hadn’t been able to stop, mingled shock and fascination rooting her to the spot. And desire. There was desire, too. Whether for Mark, or for both of them, or just for the idea of wanting someone so much, she wasn’t sure. She moved back, her heart pounding, about to pull the ”