I voted no, neither form, but not because it is evil by itself, but because most the time it is unfair, and it is women who are abused, and who are raised to consider polygamy as a normal thing that they should be ok with (like in some Muslim countries), and considered as 2nd class citizens. If we allowed polygamy (legally) in America, it would also open the doors for people like this Mormon man (I can't remember his name) who abused many women and girls. And it would be hypocrit of me to vote that polyandry is ok while voting that polygamy is not, so I voted "neither".
I have seen a case where a woman (this woman is a transgender tho) was with 2 men, and it was really their own choice to be together, so this is different because no one was abused nor forced into this relationship. But still, allowing them to get married, would allow all the other ones who abuse women to do so as well.
I know one thing that I remember from an article about a Mormon woman (in a sect where they allow polygamy, since Mormons are not polygamist in general anymore), and how she was saying that she realised she couldn't be everything her husband wanted and that therefore it was ok for him to marry other women ... but all this time she was thinking only of his feelings, as if hers didn't matter, I mean that man wasn't everything she wanted either, so why wasn't she allowed to have multiple husbands and it was only the man who was allowed to have multiple wives. I could also tell, from the things she said and the way she talked, that she had a very low self-esteem, and considered herself and her own feelings, as much less important than the husband's.
Even in countries like Iran, they understand this, and many men are married to only one woman, whom they respect and love, eventho legally they would be allowed to marry 4.
Polygamy, in my opinion, is even worse than cheating, it is "adding insult to the injury" (I mean in the millions of cases where the women don't have a choice). If it ever became legal here, and my husband actually wanted to marry another woman, I would lose all respect for him and would ask for a divorce very quickly.
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That's the way things come clear. All of a sudden. And then you realize how obvious they've been all along. ~Madeleine L'Engle