A Mirror of Pen and Paper

I have a mirror of pen and paper
It is more intrusive than silvered glass,
Which relies on your image, else you are vapour,
Whereas my thoughts and words will outlast; surpass.

I take your image and fill the void
Replace the gaps with the truth inside
But the end result leaves you underjoyed
Even though the outcome is fully justified.

I have a mirror that sees it all
It reaches in and discovers your worth
I will write the story of your fall
Your central themes and back to your birth

Beauty is transient, subjective and biased
My words describe what lies beneath
Your reflection will degrade, get lost in a mask
My words will last forever, but your beauty will cease.