She looks up, a little surprised at the question. “Nothing,”
This ending signifies her complete detachment from the world - as if with Al returning she is living outside her body and thus not really feeling what is happening to her as a psychological defense mechanism like she did in the old days before LV. So she has returned to her LA state of mind. In a way how sex workers turn to drugs to numb themselves to the physical and emotional humiliation they are being forced to endure.
