Honoring Marriage in a Post-Marriage World

A fews years back the New York Times declared we are now living in the post-marriage era.  It does seem that way with divorce on the rise, marriage on the decline, more people living together in informal relationships,  and same-sex marriage advocates urging us to redefine marriage.  

Has marriage "run its course" as an institution of society?  Is it a society designed relationship ready for redefining to fit a post-modern world? Is Christian marriage different from a civil marriage? 

Greg and Margaret celebrate 47 years of marriage in two weeks from now.  They share some thoughts on staying married and honoring marriage in a post-marriage era.