I wanted to go home again. I’ve been told that I can’t. I decided to test that theory.

I’m not alone. Nostalgia has been a big business for a long time, and I’m an easy mark. Even as a kid, I was fascinated by moments, understanding that today is a reflection of yesterday, that the perceivable universe is a deterministic one.

That cause and effect are real things. I wanted to understand this process. I wanted to spot it happening at the start. I’ve been chasing moments my entire life, then, trying to capture them so I know where stuff began.

I also have a sentimental streak a m...