Insults, jealousy and bad behavior — can Dr. Phil help this couple on the brink of divorce?

A Rocky Union

Mark made headlines for seeking revenge on his soon-to-be ex-wife, Sabrina, by posting an online advertisement that compares her to the used car he's trying to sell. Find out why he says he's proud of the ad. Plus, Sabrina says she's fed up with Mark's female "friends" and knew they were headed for splitsville when, during their honeymoon, Mark stepped out for drinks and didn't return until morning.

"Where did he spend the night?"

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Is it Really the End?

Sabrina says Mark is an incurable flirt but he claims she's only concerned with money and punishes him by keeping their children from him. Hear the shocking advice Dr. Phil has for the couple. Do they still have unfinished emotional business?

"I'm going to tell you something, and you may think I'm crazy."