Brand New Friend.
This is a hilarious funny novel about a young couple, Rob and Ashley who is about to settle down after staying together for several years. Both wanted to maintain their platonic relationships to their best friend after marriage. The problem is Rob best friend is a girl, Joe and Ashley best friend is a man, Neil. It became very complicated when Joe realized she was actually in love with Rob. Her sacrifice in letting Rob marrying Ashley gave the story a happy ending.
The book give us an insight of the promiscuous life style practiced by western society to day where marriage institution is no longer relevant.