Somebody's girlfriend," she said. "Somebody's sister, somebody's daughter. All these things I never knew I was before, and I still don't really know what I am.

Amor verus numquam moritur: True love never dies

The missing stairs baffled Clary. What did vampires have against stairs? -Clary, pg.266-

She looked up at him with a smile. The smile broke what was left of his resistance - shattered it. He had let the walls down when he'd thought she was gone, and there was no time to build them back up. Helplessly he pulled her against him. For a moment she clung to him tightly, warm and alive in his arms. Her hair brushed his cheek. The color had come back into the world; he could breathe again, and for that moment he breathed her in - she smelled of salt, blood, tears, and Tessa.

This one incident I will not allow you to shrug off!" "I wasn't planning to," Jace said. "I can't shrug anything off. My shoulder's dislocated." -Hodge & Jace, pg.296-

'Will,' she whispered against his mouth. She wanted him closer to her so badly, it was like an ache, a painful hot ache that spread from her stomach to speed her heart and knot her hands in his hair and set her skin burning. 'Will, you need not be so careful. I will not break.'

Some are just born bad, and that's all there is to it.