Morphine Empty Box Lyrics

I tore open the package it was an empty box no meaning to me just an
empty box sender was a woman she said she's sending me everything I
never gave her before she said: Fill it up + send it back, so I sent her
back an empty box.  A big mistake, sent back an empty box half in the
shadows, half in the husky moonlight, and half insane just a sound in
the night I enter a valley so dark that when I look back I can't see
( From: http://www.elyrics.net/read/m/morphine-lyrics/empty-box-lyrics.html )
where I began, I can't see my hands, I don't even know if my eyes are
open.  In the morning I was by the sea and I swam out as far as I could
swim 'til I was too tired to swim anymore and then I floated and tried
to get by strength back.  Then an empty box came floatin' by, an empty
box and I crawled inside half in the shadows, half in the husky
moonlight + half insane