“To my father, women are a dime a dozen and they are all replaceable,” claims Amanda.

TELL DR. PHIL YOUR STORY: Huge family drama?

The young woman claims her father, Dennis, was unfaithful to her mother their entire relationship and that he is now unfaithful to his girlfriend of eight years, Melissa.

Dennis and Melissa admit they have a volatile relationship. Both say they have cheated on the other and admit to breaking up frequently, only to get back together a short while later.

WATCH: Behaviors Man And His Girlfriend Display In Their Volatile Relationship

“One time, Melissa and I got into a heated argument. It got aggressive. She started swinging, hitting, throwing stuff, and I grabbed her by her throat to choke her, and I grabbed her by the arm,” Dennis says. “I pulled her up the stairs, pulled her out the door, and she stood up and punched me right in the mouth.”

Melissa, who says she will do “whatever it takes” to save their relationship, adds, “Many of the problems with Dennis did happen because of my own insecurities.”

Turning to Dr. Phil, Amanda says, “This relationship has to stop.”

On Tuesday’s episode, will Melissa decide to leave Dennis? And, what does his current wife, Michelle, have to say about Dennis’ behavior? Then on Wednesday, another woman wants to confront Dennis. Find out who she is. Check here to see where you can watch.

TELL DR. PHIL YOUR STORY: Conflict so big it needs a Dr. Phil solution?

Man Admits He Is A ‘Mental And Emotional Abuser’