"I... I’ve always wanted you, sir," she murmured, blushing.  Severus Snape had just snogged her senseless and now he wanted to know why she wanted him to fuck her.  Was this real or was she fantasizing again?  Still back in bed with Narcissa, dreaming?  She felt the bulge in his pants press against her leg as she rubbed herself on him.  Gods.  This was real.  "From our very first Potions class, I wanted you."