" In the preface to my Plays for Puritans I explained the predicament of our contemporary English drama, forced to deal almost exclusively with cases of sexual attraction, and yet forbidden to exhibit the incidents of that attraction or even to discuss its nature. Your suggestion that I should write a Don Juan play was virtually a challenge to me to treat this subject myself dramatically. The challenge was difficult enough to be worth accepting, because, when you come to think of it, though we have plenty "

― George Bernard Shaw , Man and Superman