I have read your interesting post several times and tried responding several times too! But it keeps turning out to sound condescending, so I've given up!! I venture to say that, if you pursue your researches for the rest of your life, however much you enjoy it and I'm sure you will, I'll bet you anything you will not reach the answer you seek. It's all in the wonderful imagination of our brains.
That still doesn't sound the way it would if we were sitting having a chat! Never mind, I'll post this anyway. :):)