>Citations needed. There's no proof of any of this, it's just the social norm we've had for centuries. More like millennia. You should ask yourself why/how the

>Citations needed. There's no proof of any of this, it's just the social norm we've had for centuries. More like millennia. You should ask yourself why/how the concept emerged independently across many cultures and civilizations what that signals for its usefulness in building social structures that are able to respond to negative external stimuli (war, disease, environmental catastrophe etc). >Personally, I think it'd be better if people joined into polyamorous groupings; it's better for kids, and provides a more stable home life than only having 2 parents. Don't ask me for citations; you'll just have to take my word for it, just as the author of this article did. Okay, now I'm pretty sure you're being sarcastic, since the opposite is true.