What is this "passion" thing actually?

Running is my great passion. That much is certain. After music and writing, nothing in my life has inspired and fulfilled me like running. But what exactly is it that makes me so passionate about running? Since I can't indulge in my great love right now, it's a good time to reflect on it more closely.

(Olympic Park run with my wife Lisa, photo by Stephan Wieser)

“What is it in itself? What is its nature?” – Hannibal Lecter quoting Marcus Aurelius

The Easy Answer

I like running. It feels good. Very n...