James, you are all the family I have. I would die for you. You know that. I would die without you. If it were not for you, I would be dead a hundred times over these past five years. I owe you everything, and if you cannot believe I have empathy, perhaps you might at least believe I know honor--honor, and debt--

You're killing me because you want me to give a message to God for you?" Jace shook his head, the point of the blade scraping across his throat. "You're crazier than I thought

Why should I tell you everything about how I feel when you never tell me anything?

Will looked as if she had slpped him. "I didn't do it so you'd be grateful!" "Then what?" Her voice rose. "You did it because it's your mandate? Because the law says-" "I did it because I love you!

Jace reached up to unzip his jacket. Simon-I dont care how hungry I am, I am not going to drink your blood again. Jace-Like I would let you.

Fine." Magnus stood up. "But," he added, pausing by Alec's chair and leaning in close to him, "you are not trivial." Alec flushed. "If you say so," he said. "I say so," said Magnus, and he turned to follow Isabelle out of the room.

A lot of people feel like urban fantasy is a shortcut that gets you around world-building, because it's set "in the real world." But it doesn't really work that way, as I found out. You have to come up with just as consistent an internal cosmology and magic system as you would if you were writing high fantasy.