its completely normal to view memories or dreams like that, in an active state it is usually caused by drugs or trauma. otherwise its a typical sign of borderline personality disorder along with compulsive lying and lack of social empathy.
Ive gotten this feeling. If anyone's curious about it, to me it usually happens when I start repeating my own name to myself. After a while, it gets weird like, who even...
But imagine playing 3rd person games while in 3rd person yourself!