FLEX reads

“Well, good-bye for now," he said, rolling his neck as if we hadn't been talking about anything important at all. He bowed at the waist, those wings vanishing entirely, and had begun to fade into the nearest shadow when he went rigid.
His eyes locked on mine wide and wild, and his nostrils flared. Shock—pure shock flashed across his features at whatever he saw on my face, and he stumbled back a step. Actually stumbled.
"What is—" I began.
He disappeared—simply disappeared, not a shadow in sight—into the crisp air.”
― Sarah J. Maas, A Court of Thorns and Roses

“It's common knowledge that shiny rocks are preferred among human females.”
― Melissa Landers, Alienated

“The way I acted...It wasn't you"
"Oh, no. You're not even human. You don't get to use the It's not you, it's me line!”
― Melissa Landers

“Rowan’s head was still angled as he asked, “Your mothers were cousins, Prince, but who sired
you?”
Aedion lounged in his chair. “Does it matter?”
“Do you know?” Rowan pressed.
Aedion shrugged. “She never told me—or anyone.”
“I’m guessing you have some idea?” Aelin asked.
Rowan said, “He doesn’t look familiar to you?”
“He looks like me.”
“Yes, but—” He sighed. “You met his father. A few weeks ago. Gavriel”
― Sarah J. Maas, Queen of Shadows