Depersonalization:
I felt like not being me. I was someone, i was a machine. I was a zombie. I guess thats a check.

Feelings of guilt:
I did go as i was not able to change the situation. It did hurt me and i tried to rescue myself. If i had been able to give my live for the cure of my best friend, i had done it. I felt guilty, and still i feel guilty for the suffering of others. Only low level but i feel it. Check.