a moments worth - i doubt therefore i think lyrics

i close my eyes, dear,
and begin my life.
you know sometimes, i fear,
i’m not even alive—i’m just a breath in time
(but i could be more).
i’m just a waste of time
(and i can’t tell what i’m good for).
the explosion awakes me at night and i have trouble accepting the fact that you might…
will you walk away from me?
will you walk away?