Because you and I, both, need some reminders: https://thefoggyshore.wordpress.com/2016/02/10/10-things-i-wish-my-doctor-had-told-me-about-mild-traumatic-brain-injury-mtbi/amp/

Probably ought to omit the word “mild” from the article’s subject though.

Also, add a #11: the person you knew, is gone.

Cope. Be in the now. Don’t dwell on who or how you were. Embrace who you are.