Non-ogamy contd.

I wrote earlier about sexual (non) monogamy. This reminds me of some juicy tid-bits from this week's Carolyn Hax discussion.

Non-ogamy: Did they really need a book to prove this?

An interesting series of blog posts is up at psychologytoday.com from two psychologists that argue that humans are not sexually monogamous by nature. The posts are related to a book by the same psychologists arguing the same point. But did they really need a book to prove that?