Getting Rid of Zoe and Jon

Sarah looked down at Jon, who was still laying on Zoe in the grass. "God, you're just as much of a sicko as your freak sister." "What? It's not like that. I was just trying to ..." Jon tried to explain. "I don't give a damn..." She grinned. "Well...maybe I do if it'll give me a chance to have some fun with you...I wish..." "Wait...wishes you make on that thing can't be reversed..." Jon warned her...afraid she'd do something he'd regret. "At least add something onto the wish that lets you undo it if you want to...What if you make a mistake?" She paused. "I wish that until I say otherwise...you two would...