I'd definitely like to hear from some other people who are very sure they've received a Sign, at one point or another, after which they were utterly confident about what they must do with their lives and make of themselves. When was this moment, what form did the sign take, and how did you change after that?
Well, I've entered into a combination of sleep related/drug related psychosis and seen some things. I really wanted to DJ after my first psychosis. But I think I was so wrapped in crisis that I was just clinging to an idea of something to move on.
I've had a semi NDE, but the resulted in nothing more than shock and a minor hallucination.
And nothing so clear cut to say, "I MUST now do this."
MDAO, I think what you're getting at is someone who has that life-changing moment and goes and does something so uncharacteristic, like is in a car crash...has a NDE and goes off and becomes a doctor or something or a paramedic, "Now I must save lives!"
I think an interesting point to make is that they really are delusions (NDEs, etc.) There's not really anything constructive in them. Its more your body/mind coping with a severe amount of stress/trauma. Belief is a very dangerous ball game. And rarely does something positive come out of it. Let alone the willpower to actually see something like that thru.
If anything, I'd say that its made me realize/my mission not to do drugs, drink, etc. But that's really impossible (caffeine, OTCs, etc. sugar)
Also, I think there's a point in one's life where one must accept their own shortcomings. We've been sold this deal that we can make a difference. When it fact its fairly useless.
I know a family member where such an event which you describe is actually a negative not a positive, and they pursued a life of worship as a Christian, believing something that they weren't. So I'd think about that too, be careful what you wish for.