Lost in Dark Tunnel

Yes I knew it was tough
But I desired to contend
to make it through to the end
It was all dark
I saw nothing, I saw nobody
A dark endless tunnel
my sides were invisible
was I becoming blind?
Yet I marched ahead
It shaped into a black cloud,
slowly encircling me
I wondered what to do
Panic surged through my veins
I was loosing faith
I wanted [...]