dincher, good question.. should probably have started your own thread for it but ah well. But anyway...
Maggie 3, bless her heart... while her response would have likely elicited many o' "Amen"' at the local church, I'm afraid it is probably useless when directed toward someone in dincher's situation. This is surely the biggest blunder in Christian evangelism... and yet, all too common. It's kind of like trying to give someone directions to a party from where YOU ARE rather than from where the person you're directing is.
Anyway (again) dincher, I think the answer here is kind of two-fold. On one hand, I think it has a lot to do with where you put your faith. Maybe when you were younger, you put a lot more of your faith in God. You trusted that everything would be okay if you did so. Then you learned that putting your faith in God doesn't automatically give you the life that you deemed "perfect". So, consciously or subconsciously, you put your faith back into the world. Somewhere along the way you found than your "religion wasn't the real deal". That's good to hear. In my opinion, no "religion" is ever the "real deal". I hold the time in my life where I finally made that distinction very close.
But what happened next? Are you still stuck in a religion because you once subscribed to it but no longer believe in it? Or have you moved on and grown from the experiences you had to find the Truth? Or have you even tried? Did you give up the search? What DO you believe in, if anything?
Oh, and let me just throw this out there... just because someone goes to church on Sunday and throws out the halleluyahs' and all don't mean they got the spirituality in them. Know what I mean?
So the OTHER side to this answer is that you are comparing yourself to these friends of yours... the ones that used to lead the "bad life: sex, drugs, rock n roll". There's another name for those kind of people. We are called "addicts". We have a very distinctive trait in our personality. When we do drugs, we do them all the way... when we do sex, we do it all the way...
Why would you think that, when we do spirituality, it would be any different?