Charles Yu said this quote

Things go backward.And then, one day, whatever it is we had, it’s gone. It won’t come back. We both know it.Whatever it is she let me have, she has taken it away. Whatever it is when two people agree to briefly occupy the same space, agree to allow their lives to overlap in some small area, some temporary region of the world, a region they create through love or convenience, or for us, something even more meager, whatever that was, it has collapsed, it has closed. She has closed herself to me.