You could also ask her what fetishes or fantasies she has, and roleplay to the best of your ability carrying them out. As Eva Marie said above, the most important sex organ is the brain, and appealing to the intimate desires that way could work.
Or she could be like my love, and find personal satisfaction in being a good lover for you. Ultimately, you have to ask her what she wants from a sexual encounter, and express what you want, and accept that it may not involve equal pleasures between the two of you.