Jace made another happy little rumble as Alec licked the mark, knowing that, as long as he didn't heal it away, it'd be there for a day or two at least. He blinked at Alec's words, then grinned widely. He could, couldn't he? He slid his hand from where they'd been moving over Alec's stomach to his shirt, and grabbed the hem, tugging it up and over and off of Alec as quick as he could, tossing it aside, letting his greedy hands slide right back over Alec's skin.

"Stamina rune... Alexander Lightwood have you been cheating on sex with your runes?" Jace asked him, delighted and amused at the idea. Also, it was a damn good one, really.