Nicely done, brother," said Gabriel from the bed, blinking sleepy green eyes at Gideon.
Gideon threw a scone at him.

Father . . . ," Gabriel began. "Father is a worm."
Will gave a short laugh. He was in gear as if he had just come from the practice room, and his hair curled damply against his temples. He was not looking at Tessa, but she had grown used to that. Will hardly ever looked at her unless he had to. "It's good to see you've come round to our view of things, Gabriel, but this is an unusual way of announcing it."
Gideon shot Will a reproachful look before turning back to his brother. "What do you mean, Gabriel? What did Father do?"
Gabriel shook his head. "He's a worm," he said again, tonelessly.
"I know. He has brought shame on the name of Lightwood, and lied to both of us. He shamed and destroyed our mother. But we need not be like him."
Gabriel pulled away from his brother's grip, his teeth suddenly flashing in an angry scowl. "You're not listening to me," he said. "He's a worm. A worm. A bloody great serpentlike thing. Since Mortmain stopped sending the medicine, he's been getting worse. Changing. Those sores upon his arms, they started to cover him. His hands, his neck, h-his face . . ." Gabriel's green eyes sought Will. "It was the pox, wasn't it? You know all about it, don't you? Aren't you some sort of expert?"
"Well, you needn't act as if I invented it," said Will. "Just because I believed it existed. There are accounts of it—old stories in the library—

Would you?” said Gabriel to Will, hotly. “If it was your family?” His lip curled. “Never mind. It’s not as if you know the meaning of loyalty —”
“Gabriel.” Gideon’s voice was a reprimand to his brother. “Do not speak to Will in that manner.

When I heard about these lessons, I thought they would be a dreadful waste of my time. I pictured two very silly girls uninterested in any sort of instruction. But that describes neither Miss Gray nor yourself. I should tell you, I used to train younger Shadowhunters in Madrid. And there were quite a few of them who didn’t have the same native ability that you do. You’re a talented student, and it is my pleasure to teach you.”
Sophie felt herself flush scarlet. “You cannot be serious.”
“I am. I was pleasantly surprised the first time I came here and again so the next time and the next. I found that I was looking forward to it. In fact, it would be fair to say that since my return home, I have hated everything in London except these hours with you.

Will tossed the bloody cloth aside. “And you wonder why we aren’t friends.”
“I just wondered,” Gabriel said, in more subdued voice, “if perhaps you have ever had enough.”
“Enough of what?”
“Enough of behaving as you do.”
Will crossed his arms over his chest. His eyes glistening dangerously. “Oh, I can never get enough,” he said. “Which, incidentally, is what your sister said to me when─”
The carriage door flew open. A hand shot out, grabbed Will by the back of his shirt, and hauled him inside.

Wasn't it? Is loyalty still a commendable quality when it is misdirected?