who i m??

Who I m? did my friends really realize me? sometime i don't realize who i m?!
What my friends see is only a part of what I m.
I have a hundred different faces,
a million different personalities.
only a part of me is what i show to my friends.
I display a fraction of my true self.
sometime is just a facade
it is not truth of me
my friends don't know me, because they have not enough of observation.
a few of my friend did, but they left anyway!