Chuck Norris doesn't need to understand the work of James Joyce; James Joyce needs to understand the work of Chuck Norris.
It took me a long time to find out that I was born to be an actor. It was the last thing on my list, although my list was very small. I didn't know what to do. But kids weren't supposed to know what to do back then; we were all cute and we'd find out what we'd do later in life.
As a writer, I'm more interested in what people tell themselves happened rather than what actually happened.