blackout
Violet.
Instituting polygamy wouldn't change our society, except that dudes would then be sleeping around with their wives, rather than just with whomever is willing.
In seriousness, though, my wife would have a really really hard time if she had to share me. And I don't know that I would want to manage several wives.
Manage?
I'm quite sure they wouldn't want to be "managed" either.