Don't part with your illusions. When they are gone you may still exist, but you have ceased to live. To live a fulfilled life, we need to keep creating the "what is next", of our lives. Without dreams and goals there is no living, only merely existing, and that is not why we are here.
It takes some little time to accept and realize the fact that while you have been growing old, your friends have not been standing still, in that matter.
The Church worked hard at it night and day during nine centuries and imprisoned, tortured, hanged, and burned whole hordes and armies of witches, and washed the Christian world clean with their foul blood. Then it was discovered that there was no such thing as witches, and never had been. One doesn't know whether to laugh or to cry. Who discovered that there was no such thing as a witch - the priest, the parson? No, these never discover anything.
The two Testaments are interesting, each in its own way. The Old one gives us a picture of these people's Deity as he was before he got religion, the other one gives us a picture of him as he appeared afterward.
Satan (impatiently) to Newcomer: The trouble with you Chicago people is, that you think you are the best people down here; whereas you are merely the most numerous.