Being raised as a Christian doesn't mean you are one, religion missed the boat Dara, it's about a living real relationship with God, being born again through His Spirit and letting Him live the life because we can't.
Maybe you turned your back on it all, I know many who did because of religious crap doing their heads in, but God ain't religious and he loves you always, always!
So you are in effect suggesting that the meaning of existence can't be supplied by religion or ideologies? - cue for a song I think: