Tracy McMillan is a television writer, relationship expert and author, whose credits include Mad Men, Good Girls Revolt, Marvel's Runaways, and United States of Tara. She's the author of three books – a memoir, I Love You and I'm Leaving You Anyway; a novel, Multiple Listings; and a relationship book, Why You're Not Married... Yet. The latter is based on the viral blog "Why You're Not Married", which for more than two years was the most-viewed article in the history of the Huffington Post. Tracy's made numerous television appearances, including Oprah Winfrey's Super Soul Sunday, NBC's dating show Ready For Love, The Today Show, Access Hollywood Live, Katie and more. Her TedX talk "The Person You Really Need to Marry" has more than 9.7 million views.

Catch Tracy giving relationship advice to newly engaged couples on OWN's new reality series, Family or Fiancé, on Saturday's at 10/9c.

Read Tracy's viral blog post here: Why You're Not Married