Makes sure things stay the way they are or get better

"Hell, while I'm at it, I have D-cup breasts." Willow smiled as her tits filled out.

"Buffy?"

"Yeah, Will?"

"Suppose I had the power to make you not a slut. Would you want me to do it?"

"No! I love being a slut. God, that's a horrible thought."

Her conscience eased Willow slammed the strap-on into Buffy's cunt. "Don't worry Buff. You and I are total sluts and there's absolutely no power that can change that." Willow smiled. That should make sure that she and Buffy stayed the way they were. With her words controlling what happened she didn't want to change her and Buffy into prudes or something by accident.

She and Buffy were so engrossed in the fucking they didn't here the door open as Joyce returned from work.