Partly me

Mirror mirror on the wall
who is answering your call?
Is this me I see right there?
should I bring myself to care?

Mirror mirror in my head,
why am I always assumed dead,
by your reflection, horribly,
tell me, why do you hate me?

Mirror mirror in the eyes,
of the others, what's your price?
What does it cost to make believing,
that it is true what you are telling?

Mirror mirror of all time,
which of those reflections
is really
mine?