Answer:Depersonalization disorder
Step-by-step explanation:
Depersonalization disorder is a condition that makes an individual feel detached from their own thoughts and body.
A person feels like they are a spectator in their own lives. A person is still in touch with reality. It can last from few moments to years. This disorder may result from a person who has strated using drugs, who suffering from personality disorder,seizure disorder and other mental disorders.
It is associated with dissociative disorders which are mental conditions that occurs when someone has a memory breakdown,disrupted identity, awareness and consciousness.
These changes will alter the person's normal daily functions in which their social and work activities and the relationships changes.