Rather than belittle the question. How about trying to answer the question.
If homosexual couples have the right to choose their life partners, from a human rights standpoint, what makes polygamists or adult incest different?
The same-sex proponents have made this a human-rights issue rather than a moral issue and I'm having difficulty understanding how they can demand their rights and yet want to ensure the polygamists, incest and paedophiles don't have theirs recognized.

If homosexual couples have the right to choose their life partners, from a human rights standpoint, what makes polygamists or adult incest different?
The same-sex proponents have made this a human-rights issue rather than a moral issue and I'm having difficulty understanding how they can demand their rights and yet want to ensure the polygamists, incest and paedophiles don't have theirs recognized.