This is what happens when you try to adapt a play from the theater. Look at the end of the picture, totally theatrical.
With a reminiscent of Les liaisons dangereuses the final steam-less speech try to make us think that the whole (and deep) theme of this matter was the manhood. Who cares by this point? It was about manipulation. And so the audience feels after this movie has ended.
Young directors: A play is told with the words more than actions. A film is the opposite most of the times.
And I'm not talking about the gay theme, overly exploited without a point ('cause there's no explanation of this topic considering the so called "philosophic" or presumptuous basis) to the level that this film should have been called Grand Gay