Dusty idea is that our bodies are finite and then the body dies. We have a soul right now within us that will live on forever. Since it will never die, eternity has began for us all, we will just transition at death.
Part of the problem in this world is that the devil has somehow convinced people that this is it. This is as good as it gets. Quite frankly its not that hard to convince people that this is it, because our mortal bodies die. We watch them die and go in the ground, or have an urn that someone's cremated remains are in. We drive by graveyards, they're in every community. It looks like a very final thing. In fact to people still living on the earth it never changes, once you die, you're just dead, from a worldly point of view. To the person thats not spiritual, or the natural man, same as a carnal man, the idea that the spirit lives on is foolishness.
But the natural man does not receive the things of the Spirit of God, for they are foolishness to him; nor can he know them, because they are spiritually discerned. 1 Corinthians 2:14
We are not a temporary body that has a soul and then the body dies. We are an eternal soul that is in control of a very temporary body and then we live on. With this truth in place, what do you think people should be concerned with? Things of the body or things of the spirit? Body is temporary, spirit is eternal. This is the definition of a no-brainer. If all you are concerned with is this world and pleasures, and how much fun I can have before I die. How much money I can make. How many rules can I break and how much shock value my actions can have. That's not being spiritual.
For who among men knows the thoughts of a man except the spirit of the man which is in him? Even so the thoughts of God no one knows except the Spirit of God.
Now we have received, not the spirit of the world, but the Spirit who is from God, so that we may know the things freely given to us by God,
which things we also speak, not in words taught by human wisdom, but in those taught by the Spirit, combining spiritual thoughts with spiritual words. 1 Corinthians 2:11-13 NASB
If you have taken no real, serious thought about your eternal situation, you need to stop analyze your actions, are they spiritual? Snap your fingers,...... even if you live for 100 years, your life is that snap of the fingers compared to eternity. Only that snap was too long and too loud.