I thought it was an interesting article, mainly because "women" seem to think it is and should be. However with the increase of swinging couples, polyamorous relationships, those who are living together and are together on a "civil union" type of basis, as opposed to out of wedlock, that seal is being broken. I believe polygamy is natural, based on Mammalian behaviour. Monogamy is a man made institution to impose control on people. Nevertheless I still do agree in the philosophy that a long term relationship works best when there are few complications and peripheral distractions. ie 1 on 1.