Zia

“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

“You see, cuckoos are parasites. They lay their eggs in other birds' nests. When the egg hatches, the baby cuckoo pushes the other baby birds out of the nest. The poor parent birds work themselves to death trying to find enough food to feed the enormous cuckoo child who has murdered their babies and taken their places."
"Enormous?" said Jace. "Did you just call me fat?"
"It was an analogy."
"I am not fat.”
― Cassandra Clare, City of Ashes

“How awfully convenient for you, regardless. And for him. He won't have to worry about you spilling his secrets."
"Yeah," Jace said. "He's terrified I'll tell everyone that he's always wanted to be a ballerina.”
― Cassandra Clare, City of Ashes

“Is standing by the window muttering about blood something he does all the time?" asked Simon.
"No," Jace said. "Sometimes he sits on the couch and does it.”
― Cassandra Clare, City of Ashes