Caitlin and Robert admit that their relationship has been filled with arguing and conflict since they met in 2000. Now married seven years, both claim the other has been verbally abusive and physically violent. Watch more of their story here and here.

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

In the video above, Robert, who recently moved out of the home he shares with Caitlin, their two children and Caitlin’s parents, reads explicit text messages he sent his wife.

WATCH: Man Describes Incident With Wife When He Says He Acted Out In Anger

“Tell me what goes through your mind when you’re typing this to the mother of your children,” Dr. Phil says to him.

“I’m obviously not thinking about the fact that she’s the mother of my children,” he says. “It’s words, and words hurt. OK. But people say things every day that they don’t mean.”

WATCH: Dad Caught On Video Telling Daughter: ‘The Best Thing That Could Happen Is Your Mom Passes Away’

On Monday’s episode, hear what Dr. Phil says the couple must do for them and their children, who are often witnesses to their parents' fighting. Check here to see where you can watch.

TELL DR. PHIL YOUR STORY: Accusations causing a rift in your relationship?

Dr. Phil To Father Of 4- And 7-Year-Old: ‘I Think You Are Mentally And Emotionally Abusive With Your Children’