We all believe that friendship should be a strong foundation to any romantic relationship. Now there’s evidence to prove what we already know to be true. Just look at Cosmo's latest video, listing the signs that you've found "The One."

A new study suggests that a married or cohabiting couple tends to be HAPPIER if they consider each other to be best friends. The overall satisfaction in the relationship DOUBLED for those who claimed to be married to their partner-in-crime. It’s a bond like this that actually pushes you years past the honeymoon stage.

You marry someone because their soul sings the same song as yours. It’s a duet you should play on repeat.

If you've found your soulmate and are ready to walk down the aisle, checkout the Bridal Show on January 25th!