Unless you're flat out dead, you have to think of some other questions like: what's on the other side? It brings up issues of God, or no God. How does he play into this? Or he, or she, or it? How does it all play into this?
High energy creates more energy, more energy, more energy. It kicks off synapses, I guess. It opens up your brain and you think of one thing after another thing, after another. You can really open yourself up comedically, which is fun.
There comes a point in your life when you realize how quickly time goes by, and how quickly it has gone. Then it really speeds up exponentially. With that, I think you start to put a lot of things into context; you start to see how huge the world is, and really, the universe.