Love it. I've been that guy and had an ex-gf who was that girl. I turned my laptop upside down to see it from her perspective. Just as good. Love the whole taoist/ yin-yang tones.
He's out in the streets lookin' for something to amuse or fulfill him - she's trapped in her internal world filled with books and longing/grief.... the balance is spot on. Am I close in the idea you were going for?
One of your best works yet :)