Conversation With a Mirror

Who are you?
Why aren't you me?
I don't want to be you.
Shouldn't we be the same?
I know I am you.
And you are me.
But who are you?
We are one person, but two selves.
I think I know who I am,
But I don't even know you.
All I know is I don't like you.
Why aren't you me?
Who are you?