1 | Appreciation
ShutterstockAppreciating what your partner adds to your life was the second most significant predictor of a strong relationship.2 | Sexual satisfaction
ShutterstockHow satisfied you are in bed is a significant predictor of how healthy a relationship is. An unsatisfying sex life is often a symptom of another issue within the relationship. If you're looking to boost your sex life, check out Starting Your Day This Way Will Improve Your Sex Life, Research Says.
3 | Perceived partner satisfaction
iStockKnowing and understanding that your relationship makes your partner very happy can predict the success you two will have together. And to see when relationships tend to go sour, check out This Is the Exact Point Most Relationships Go Wrong, Experts Say.
4 | Conflict
ShutterstockThe frequency of arguments with your partner is another significant way to predict whether your relationship will thrive—with the more being the less merrier, in this case. And for more useful content delivered straight to your inbox, sign up for our daily newsletter.