If Bristol Palin (hottie!) and Levi Johnston are "co-parenting", is that a Biblically-condoned relationship?

a href="http://marquee.blogs.cnn.com/2010/06/16/bristol-palin-and-levi-johnston-are-co-parenting/?hpt=T2" rel="nofollow"http://marquee.blogs.cnn.com/2010/06/16/…/a