Marriage Statistics: Jenna McCarthy Reveals Surprising Findings About Marriage (VIDEO)

WATCH: What You Don't Know About Successful Marriages
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Jenna McCarthy, author of If If Was Easy They'd Call The Whole Damn Thing a Honeymoon, stopped by AOL studios recently to share a few of the surprising facts she learned about successful marriages while researching her book.

McCarthy told AOL that watching romantic comedies might actually hurt your marriage.

"[A] study found that when couples watch romantic comedies together, their relationship satisfaction tends to plummet," she said. "So maybe choose a nice horror movie."

She also said that a couple's weight difference can affect their marital happiness: "In one study, researchers found that in the happiest couples, the wife is thinner than the husband."

To learn about more surprising facts about marriage, watch the video above.

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