Faustus's wish for power, so great that he is willing to sell his soul for it, is animated partly by a desire to break free of the restrictions imposed by society and religion. These restrictions include sexual morality.
One might look at other plays nearly contemporaneous with Doctor Faustus to understand the subtle rebellion in the minds of writers against rigid restrictions on all kinds of "freedom" or "liberty." In Richard III, one cannot help thinking Shakespeare has a sneaking admiration for Richard in his lecherously persistent and bizarrely successful winning of Lady Anne. Look at references in both Marlowe and Shakespeare to "liberty" as also meaning libertinism, as in the latter's Measure for Measure, where Claudio refers to "Too much liberty" as the cause of "this restraint" (his arrest)—liberty meaning sexual freedom, of course.
The climax of Doctor Faustus is Faustus's encounter with Helen of Troy. This shows that sexuality is at the heart of the play's theme. But you might wish to...
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