
Couples who kiss a lot have higher relationship satisfaction, a study published in the journal Archives of Sexual Behavior found. Researchers from the University of Oxford surveyed over 900 adults, asking questions about kissing frequency, attitudes toward kissing, and relationship satisfaction. The results were in favour of kissing. The study concluded that lots of good kissing was the greatest evidence of a successful relationship.
12. Watch romantic films together

A 3-year study from the University of Rochester confirmed that divorce rates reduce when couples watch movies about relationships and discuss the film afterwards. Which film are you watching next?