8 Things the Happiest Couples Always Do

Each relationship is unique, and so are the things that make it successful. But there are still some universal truths when it comes to maintaining happiness and harmony in your union, backed by expert research.

Watch the video above for eight secrets of the happiest couples — and be sure to share your own in the comments below.

Video by Alex Tepper

Read This Next: This Gender Gets More Out of Living Together Than Marriage

Let’s keep in touch! Follow Yahoo Health on Facebook, Twitter, Instagram, and Pinterest.