Answer:
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
Built of metal or wood to divide. It will make us good neighbors, if you stay on your side. What is it?
Often found in doctor's offices and pirate flags
What goes trough your head but you forget it like 3 days after?
Though I should be unique, you've made most of us the same. I would be stronger, if my characters were stranger.
It is something you will never see again.