I remember experiencing the world much more vividly when I was a little boy.
I would step outside on an autumn evening and feel joy as the cool breeze rustled the leaves and caressed my skin. In the summers, I would listen to the orchestra of insects buzzing around me. I would waddle out of the cold swimming pool and the most wonderful shiver would cascade out of me as I peed in the bathroom. In the winters, I would get mesmerized by the simple sound of my boots crunching the snow under me.
These were not experiences that I actively sought out. They just happened. I did not need to stop to smell the figurative roses, the roses themselves would stop me in my tracks.
As I got older, I started feeling less and less and thinking more and more.
I’ve tried meditation, recreation, vacation, resignation, and medication. Some of these things have helped but I am still left wondering… is this a side effect of getting older? Or is there something wrong with me?
I understand what you mean, I have the same feeling - everything is a but less vivid now.
I am no expert, but my guess that is happening because you have much more experience with the world now. As we age, the number of things that will be completely new to us becomes smaller and smaller. We just have more experience, and even if we haven’t seen/felt/heard something particular, chances are, that your brain still won’t be completely surprised - it will be able to find some experiences that you have which are close to that new thing.
But when you are a kid - there is a whole world of things you didn’t experience at all or didn’t experience enough to understand fully. That’s why everything was so vivid - there was a lot of “truly” new experiences.