Whitney Duncan: I had an unhealthy marriage, fell in love on 'Survivor'
Whitney Duncan was furious at fellow Survivor: South Pacific castaway and Savaii tribe member, John Cochran, when he decided to flip on his tribe and join with the rival Upolu tribe -- which left the Savaii tribe outnumbered and doomed to fail, as each member would be picked off one by one at subsequent Tribal Council sessions.
