"I'm decadent in that respect, too, Ben; I was born in a house with no more plumbing than an igloo - and I've no wish to repeat my childhood.  But I assume that noses hardened to the stink of rotting blubber would not be upset by unwashed human bodies.  But nevertheless, despite curious cuisine and pitiful possessions, the Eskimos were invariably reported to have been the happiest people on Earth.  We can never be sure why they were happy, but we can be utterly certain that any unhappiness they did suffer was not caused by sexual jealousy.  They borrowed and lent spouses, both ways, both for convenience and purely for fun - and it did not make them unhappy.