A lasting marriage takes a lot of hard work, and clearly, not everyone is cut out for it. Think Jennifer Garner and Ben Affleck, Heidi Klum and Seal, Miranda Lambert and Blake Shelton—these couples used to represent our #RelationshipGoals! But if you look at these shocking celebrity splits and think that you and your man are doing relatively okay even though your relationship is kind of rocky, think again.

According to a study conducted by Brigham Young University psychology professor Wendy Birmingham, it's not enough that you and your husband are getting by in your marriage. Ambivalent marriages, or those that are, as reported by TIME.com, "not bad enough to leave but still have distinctly negative attributes," aren't what you should aspire for. You and your spouse need to actually be happy in your relationship.

In fact, the study shows that people in ambivalent marriages have worse blood pressure levels than those who were in happy and fulfilling relationships. And while being married does have health perks, the negative benefits outweigh the positive ones. "Research has shown that feeling invalidated by a partner is more detrimental to you than validating is good for you," Birmingham says.

Think your marriage needs a boost? Read these stories!

15 Steps to Make Your Marriage Last
Because lasting relationships don't just happen.

There's a Marriage Material App!
Think your man can past the test?

Does Marriage Counseling Help?
Get firsthand accounts from our GIRLTalkers.

SCREENCAP: The Time Traveler's Wife/Cinestar (2009)

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