Had some close calls, some super close calls, and done some dumb stuff. Even done some stupid stuff. I think realizing self mortality is a process for most, some quicker than others. I'll take the details of realizing my own mortality with me.
A good friends son is deployed, and she realized his mortality when he called to say he'd filed his will, was ready for action... and wasn't scared, cause he was going to be fine. I knew well before then, and reaffirmed it during that conversation, that realizing or seeing the mortality of those around me, or those they cared about, was far more important than my own.