Psychic Vampire

 I remember what it was like to be normal
and now i'm a monster that just acts
gracious and formal

I feed on energy too much and make others weak
i like the power
but hate hurting my normal friends
or are they my friends?

I don't remember how long I've been doing this
I've only realized it recently
yet I've been hiding it decently

I just want you to be aware of what I am
Not to scare you or anything
I want you to know so that I don't feel all alone