Nicole says she thought she knew her husband of nearly 20 years, Carter, but all that changed when Nicole uncovered a secret her husband has been hiding for years. Nicole says 12 days ago, she discovered that Carter has been having a nearly four-year sexual affair with a man. Even though Carter insists he has told Nicole everything, she is adamant that she believes there is more her husband is hiding. Find out the shocking results a private investigator revealed to Dr. Phil about the man Carter has been having an affair with.