She can't help an impatient wriggle, not that it really helps. Mulder makes her crazy-- in so many ways, he always does; he drives her wild, he gets feelings out of her (good and bad, at various points over the years), that no one else quite manages.

"Put your tongue on my clit and get me off," she demands. "Or else get up here so I can kiss you while you fuck me."

Magnanimously, she'll take either option.