Hi Kirt,
Yes, I also hope this is read by others and that we'll get some interventions.

Something went wrong between my PC and me, and this stupid device totally lost the beautiful "part 2" I had worked on for so many hours...
Thus I climbed to the top of the new theoretical structure and looked at the stars burning their nuclear fuel.
I wondered about the increasing entropy (loss of information) that gives its direction to the arrow of time. It had swallowed my text.

Evolution of life shows a great wonder: an increase of information (decrease of entropy, or increase of negative entropy) opposed to the general trend. 
I thought it could only happen because of communication. If I had sent the writing to the list before my machine lost it, it wouldn't have been lost forever. So, I became aware that communication is the way used by life to increase information within. We know the language as a mean of communication, but there are others means. Atoms and subatomic particles contain information and communicate (see the striking EPR paradox and experiments). Without communication all life forms would die and babies wouldn't grow. Skin to skin contact with their parents is know to be essential. This must be because information is exchanged by physical contact and caressing: electrons and atoms and are swapped over. It feed the psyche as food feeds the body.

Strangely, what is now known to be needed by babies is not considered necessary for kids and adults. Nevertheless, we still feel very much pleased of a physical contact with someone loved. To be in love, the partners should be finely tuned, meaning the information they can swap is complementary and useful to each other.  Over the time and years, unfortunately, this marvellous feeling we experienced at the first touches and caresses gradually disappear, leaving in the best of the cases only a kind of friendship and affectionate familiarity. It can be easily explained: after the intensive exchanges of information of the beginning of the relation is over, the flow diminishes and finally leaves only re-circulating info. But we need passionate exchanges and our instinct is looking for that.

So, one day, one of the two partners "falls" in love with somebody else. I've been through this situation for my whole life. I ignored it's something normal, because I believed in the old binary logic leading to the dogma of the binary couple - I had been indoctrinated since my childhood, without even realising I had gulped some believes due to the Neolithic organisation of society. 
In those old walls, there's only 3 possibilities in such a case:
   One is to abandon the new love in an attempt to save the couple. As this couple is probably already worn out, it won't help much. On the contrary, the partner conceding such a compromise will likely, at least unconsciously, be even more frustrated and bitter. 
   Another common solution is disloyalty and adultery. It may work for some time, but it's likely to be felt and suspected by the other partner, if not exposed. She/he's gonna say: " Oh! You love another one, so you don't love me anymore. Let's divorce".
  The third answer is to break immediately the couple and go away with the new partner. If all agree, it may be all right, but after a while the same situation is likely to occur again. Worse, if one is left behind, a feeling of guilt is bound to stick to the new couple. 

The new theory let us consider another kind of solution, which would be the natural one. We need first to discard the anyway obsolete Aristotle's "logic of the excluded third". (If needed, new logics are available) 
Triangular relationships tend persistently to be formed, but since we presuppose they are abnormal we perceive them as detrimental and we break them. Such reactions could originate from our childhood, when we were excluded from our parent's loving couple, and from the resulting neurosis. Neuroses are so passed on from generation to generation and it's difficult to get out of this vicious circle. There's also the surrounding folks sticking to the general believes. Kids have no way to counter the mainstream of thought and when dramatically told the sexual/love relation they might have had with an elder is injurious to them, they're bound to believe it, specially if a tragic grand spectacle with police and justice interventions is set. It looks like we cannot imagine a love relation between persons of differing ages, as if violence, trick persuasion or force was always used. Of course this happens with the troubles of the sexual instinct owed to the vicious circle described above, troubles ostensibly originating from improper nutrition. But we can get out of it, thanks to the vanishing of sexual obsession felt with raw instinctive-nutrition. 

The third person will bring in new info to the couple. No one will be frustrated, and two girls loving the same man have the best chances to be at least good friends, since being "in fine tune" with someone means we are probably also in tune with somebody else "tuned" with the first one. Ditto is also valid, of course in the case of two guys in love with the same woman. It has happen several times to me, though it didn't work long or even not at all, for the reason all of us were imprisoned in the old dogmatic believes and in our neurosis, some seeing the outsider not as a allied, but as an enemy of the couple.

When we consider outsider and aliens not as enemies, but as friends bringing new information/energy (as a physicist, the architect of the new building states that information may also contain energy), an important cause of conflicts is transformed in a precious contribution. Polynesian and Eskimo cultures, amongst others, understood it better then ours.
When I was a teenager I was shocked by the exclusive and possessive ways of lovers. I perceived it opposed to some principles of civility I was thought of: don't take the whole cake for yourself, leave some for the others; don't be selfish, try to please them.

Best regards,
Francois