Its a constant practice, like anything. Part of you is changed forever when you go through something like this, the awareness part mostley, you can never go back to normality even when something like that wears off.

I know from experience because I survived a brain hemorrhage. I had a state where I experienced the world differently for many years. I still do. Something cracked open in me and it has stayed that way, other aspects of my physiology are returning to a baseline state, like my nervous system changes which damped my fear responses.