Carl claims his health is failing due to multiple illnesses. He claims doctors have told him his liver is “shot,” that he has cancer and that he is taking more insulin for his diabetes than his doctor has ever seen anyone take.

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Carl’s daughter and sister claim he is lying about his illnesses, and say it’s tearing apart their relationships.

WATCH: ‘My Dad Has Been Faking Illnesses For 18 Years’

In the video above, Dr. Phil asks Carl about his numerous diagnoses. How does Carl explain not following up and receiving treatment for what he claims was a cancer diagnosis?

On Monday’s episode, Dr. Phil gets to the root of Carl’s behavior. What does he suggest Carl do to help change the direction of his life? Check here to see where you can watch.

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Illnesses Man Who Frequents The ER Claims To Have Had During The Last Year