After only two years of marriage, Vicki filed for divorce because she believes her husband, Mark, cheated. Mark denies being unfaithful and says he's willing to take a lie detector test to prove it. He says Vicki is obsessed with the idea that he cheated.

In the video above, Dr. Phil explains that Vicki needs to take responsibility for some of their marital problems — including how much baggage she brought into their relationship. Watch more from this episode.

Watch: Dr. Phil Examines an Altercation between a Husband and Wife