Popsugar Love Relationships What Is a Happy Relationship? 4 Astonishingly Simple Secrets to a Happy Relationship October 22, 2018 by Lisette Mejia View On One Page Photo 4 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Knock the Boots How many times have you said, "Maybe tomorrow night"? Stop that right now! (This playlist will help.) Is this a surprise? Having sex once a week as opposed to once a month increases relationship happiness. The happiest couples, though, have sex two to three times a week. Va va voom! Previous Next Start Slideshow RelationshipsMarriageDatingAdviceStudiesHappiness