Noel,
I hope my observations did not come across as something I thought you SHOULD have done. Far from it, I think the song is very well conceived and doesn't need to change a bit. My intent was only to use the topic at hand (your song) as a springboard for discussion of possibilities in general, across all songs. You strike me as a man of possibilities, and so it seemed like a safe place to venture.
Your reasoning is very well considered in my opinion. And I thank you for taking time to state openly the inner mechanics of your song writing.. it makes the whole process of writing a song seem less intimidating when I see it as a series of logical and attainable smaller steps.
I'm glad that there is no set of binding rules for songwriting, but rather combinations of technique that are known to be pleasing to the ear. It is fun to learn the various techniques and apply them differently to songs according to the effect one hopes to achieve.
I am inspired by the way you approach the craft of song writing. I am not so sure I will ever have my brain wrapped around these concepts as well as you seem to, but I am having fun watching from the sidelines, learning bits and pieces as my brain will allow.
Thanks for sharing your music and your thinking. I appreciate both.