The sight of the wall of water outside reassured me, giving me the idea that it made very little difference whether I stayed with her, or set out alone on my journey that had neither visible starting point nor destination. It didn't matter: since, however closely I became involved with another existence, my own world would always remain secret, inaccessible and shut-off; nobody would ever see me, except as a dim, changeable, wavering shadow, through its impenetrable, semi-opaque walls.