Zara using Suggestion to implant a trigger in Jace's mind that makes him associate alcohol with arousal. She makes him forget about the trigger, then takes him out to dinner at some fancy restaurant. (She can't eat anything herself, but she'll feed off of Jace once he's finished eating.) Jace orders a bottle of wine. The waiter pops the cork off the bottle and pours a glass for him to taste, and just the smell of it is enough to get Jace's cheeks flushed. The waiter is stood there expectantly, waiting for him to take a sip and say if the bottle is okay or not, and so Jace lifts the glass to his lips and the second the wine hits his tongue, he's having to suppress a moan as this potent wave of arousal rolls through him. He nods, his voice barely more than a squeak as he says the bottle is good, and the waiter leaves.
"Zara, please. Come on, we're in public," Jace whines in protest, and Zara just smirks. They both know that Jace could shake off the trigger if he really wanted to.
"Hush, darling. That bottle was expensive, was it not? You should drink up."
After the first glass, Jace feels hot all over. By the time he's halfway through the bottle, he's pressing his legs together, doing his best to pretend he isn't absolutely rock hard. By the time he's finished his meal and the bottle is empty, Jace is rocking in his seat, whimpering and grinding against nothing. He's so ridiculously turned on and he almost doesn't care that they're in public anymore, he'd be happy to get down on his knees for Zara in front of everyone here if only it meant that she'd touch him afterwards.
"Zara. Zara, please," and he's pleading again, but his meaning is very different now. His words are just a little slurred, and Zara grins with satisfaction at how visibly needy he is, the way he's squirming and trembling, how dark his eyes are, the desperation in his voice. She goes and pays for his meal, and they head out, barely making it to her car before Jace is throwing himself at her, kissing her, clinging to her like he's scared to let go, pathetically rocking against her. She pries him off and tells him to behave, driving and finding a secluded place to park before she crawls into Jace's lap and sink her fangs into his neck. Jace moans, needy and filthy as her venom flows through him, pleasure and pain all mixed together, and he's so turned on, so on edge, it doesn't take much rutting against her thigh before he finishes with a mewl
