Well, that's not quite what I believe...actually not close at all. But rather than be scared of death, I am actually quite excited for it, and it keeps me hopeful, and keeps me pressing on.
I don't wanna cause a theological debate since my views are in the minority, but I think that we will be given new bodies with many more abilities and capabilities than our earthly bodies, such as flight, speed, the ability to pass through solid objects, and simply the fact that we won't be bogged down with human flaws anymore and more...Not to mention, there's a whole new world to explore, and you can take the time to enjoy everything.
And what we do there is act in the heavenly govenment and establishment, maintaining our free will and judgment. There's a verse somewhere that says we'll judge angels.
I know a lot of people believe in heaven as a mental state of eternal awe, and I don't wanna step on anyone's toes or cause disagreement, but my point in all that is this: can you see how a belief that heaven is a real, physical location in this universe, and that "it is really happening," is one that will get you to wake up every morning with energy, motivation, and excitement? What was once fear and doubt has been replaced by knowledge, understanding, and purpose.