" Oh,” Jace said carelessly, as if he hadn’t been waiting out here for the express purpose of seeing Simon off. He looked up, golden gaze casual, then looked away. “You.”
Being too cool for school was Jace’s thing. Simon supposed he must have understood and been fond of it, once.
“Hey, I figured I wasn’t going to get the chance to ask this again. You and me,” Simon said. “We’re pretty tight, aren’t we?”
Jace looked at him for a moment, face very still, and then bounded to his feet and said: “Absolutely. We’re like this.” He crossed two of his fingers together. “Actually, we’re more like this.” He tried to cross them again. “We had a little bit of initial tension, as you may later recall, but that was all cleared up when you came to me and confessed that you were struggling with your feelings of intense jealousy over my—these were your words—stunning good looks and irresistible charm.”
“Did I,” said Simon.
Jace clapped him on the shoulder. “Yeah, buddy. I remember it clearly.”
“Okay, whatever. The thing is … Alec’s always really quiet around me,” Simon said. “Is he just shy, or did I tick him off and I don’t remember it? I wouldn’t like to go away without trying to make things right.”
Jace’s expression took on that peculiar stillness again. “I’m glad you asked me that,” he said finally. “There is something more going on. The girls didn’t want me to tell you, but the truth is— "

― Cassandra Clare , Welcome to Shadowhunter Academy (Tales from the Shadowhunter Academy, #1)