Sometimes the over-consumption of books can lead one to mistake knowledge for wisdom. This was surely the case for me when we decided to attend a home group on the topic of marriage at our church, Harvest Cathedral, in Macon, Georgia.  We attended the group on the strength of our fondness for our pastors, Steve and Debbie Sawyer, though without any high expectations. I remember asking a fellow professor once how his marriage was. It was an appropriate question in the context of our conversation. His response was disarmingly honest. He called it, “functional”. I was still in the throes…