Even Christians ask these questions occassionally. Except we don't consider ourselves to be just wormfeed when it's all over with. Me, everyday I consider myself one day closer to my true home. My Christianity isn't based upon just something to believe in, meaning some religion. It isn't based upon something that someone told me to believe in. Yes, I had to hear the message from somewhere, but it is based upon a personal choice which I made. It is something that no one who isn't a Christian can possibly understand. It is about a living, close relationship with a God who gave up His own, perfect Son so that we could live eternally with God. That is it in a nutshell, there may be others who can explain it better than I can, but as a Christian, all of life has meaning. Not all of life is necessarily pleasureful, but it does have meaning. -- If you are looking for some utopia, or some party with no hardships, then I think you keep on singing like U2-- I still haven't found what I'm lookin' for.
While others here disagree with me, this is my experience.