If you were to ask me for the RE explanation for it, i'd quite happily explain it to you.
However, as you seem to be unable to explain a satisfactory and universally accepted answer, i am forced to presume there isn't one.
This is a Q&A forum, i can't think of a better place to ask a question like this, as a mod, you should be aware of this, and your replies are both useless, and unhelpful. Why don't you keep useless and unhelpful posts like you have posted in this thread, out of the serious discussion fora