Walking out of the hospital the day after the accident I didn't really understand what I'd been left with. I found depersonalisation info online. I read about the head trauma and marijuana connection. Never smoked marijuana but a 60 mph flip on the left temple knocked me out cold. Food tasted less, diminished sense of smell and so on. All things cognitive. Understood something was seriously after my first post-accident workout session. Just couldn't feel it like I used to.