Dr. Terry Dubrow, plastic surgeon and star of E’s Botched, and his wife of almost 20 years, Heather Dubrow, from Bravo TV’s The Real Housewives of Orange County, share their keys to a successful and long marriage. Watch the exclusive video above.

On Monday's episode of Dr. Phil, the couple shares their exciting discoveries and details about their new book, The Dubrow Diet.

Watch more from the episode here. And check here to see where you can watch the entire episode.

The Dubrow Diet is published by Jay McGraw's Ghost Mountain Books and is available everywhere books are sold.

The Dubrow Diet: How Interval Eating Can Help You Lose Weight And Feel Ageless