Amber

“Well, I’m not kissing the mundane," said Jace. "I’d rather stay down here and rot."
"Forever?" said Simon. "Forever’s an awfully long time."
Jace raised his eyebrows. "I knew it," he said. "You want to kiss me, don’t you?”
― Cassandra Clare, City of Ashes

“Is there some particular reason that you're here?" ...
"Not this again."
"Not what again?" said Clary.
"Every time I annoy him, he retreats into his No Mundanes Allowed tree house." Simon pointed at Jace.”
― Cassandra Clare, City of Ashes

“Isabelle drifted over, Jace a pace behind her. She was wearing a long black dress with boots and an even longer cutaway coat of soft green velvet, the color of moss. "I can't believe you did it!" she exclaimed. "How did you get Magnus to let Jace leave?"
"Traded him for Alec," Clary said.
Isabelle looked mildly alarmed. "Not permanently?"
"No," said Jace. "Just for a few hours. Unless I don't come back," he added thoughtfully. "In which case, maybe he does get to keep Alec. Think of it as a lease with an option to buy."
Isabelle looked dubious. "Mom and Dad won't be pleased if they find out."
"That you freed a possible criminal by trading away your brother to a warlock who looks like a gay Sonic the Hedgehog and dresses like the Child Catcher from Chitty Chitty Bang Bang?" Simon inquired. "No, probably not.”
― Cassandra Clare, City of Ashes

“Do you remember back at the hotel when you promised that if we lived, you’d get dressed up in a nurse’s outfit and give me a sponge bath?" asked Jace.
"It was Simon who promised you the sponge bath."
"As soon as I’m back on my feet, handsome," said Simon.
"I knew we should have left you a rat.”
― Cassandra Clare, City of Bones