Just because there is no medical evidence, it doesn't mean that you don't benefit from flossing, it just means nobody has spent the money to prove the benefits of flossing.
Me too. Found myself trying to work out a pattern behind it all, something on the edge of discovery but just too far out of reach... But then I decided to let javascript be javascript, and focus on the documentation of libraries to further my understanding, which in turn developed my understanding of JavaScript. Some things you just need to let go.