In western nations Islam practitioners conform to the rules the same as the Mormons.
It's a misogynistic stereotype to claim that all wives are "nagging." Further, it's interesting that you automatically assume that polygamy means having multiple wives... that's polygyny. Having multiple husbands is also a form of polygamy. Please cite some evidence for this. Ah, that's right, you can't, because it isn't true.
Polygamy is the generic term for both sexes and male is usually the ones that are more excited by the prospect.
Every culture that condones polygamy has stricter regulation regarding women, proper clothing, chastity and such or else is stoning time.
No, it won't.