Hi Sam,
I may have given you this site before so I apologize if it's a repeat. We've spoken before about how relatively common it is for people dealing with Post Concussion Syndrome after TBI to experience depersonalization and/or derealization.
Brainline - DP and DR after Brain Injury
I remember how anxious you were about returning to school and I wondered if you are still dealing with the same level of anxiety now or if that has become better?
thinking of you!