He grows still, groaning as she makes contact with his skin. Slender fingers touching him, goosebumps on the back of his neck, and she's pressed up against his leg like she'd ride it to completion if she had to - anything to be near him. It's the stuff of fantasy, to have her like this.

Mulder takes it as a sign that he can reach for the delicate little buttons down the front of her pyjama top, slipping them through the buttonholes one-handed like he's done it a hundred times before.