The Science Behind Happy Relationships

According to Harvard's Happiness study: "Close relationships, more than money or fame, are what keep people happy throughout their lives." But what makes a romantic relationship stand the test of time? What does the research say? I wanted to find out! Here are the secrets to a happy relationship, according to research. I think these will help ANYONE no matter they're relationship status. Let's call these the ultimate green flags:
 
1. Someone who shares in your triumphs: https://www.scientificamerican.com/article/the-happy-couple-2012-10-23/
2. A positive mindset & shows gratitude: https://www.happify.com/hd/the-science-behind-a-happy-relationship/
3. Healthy shared passions (not obsessive passion): https://www.thecut.com/2018/04/how-to-know-when-healthy-passion-becomes-obsessive-passion.html
4. More positive interactions than negative ones during conflict: https://www.gottman.com/blog/the-magic-relationship-ratio-according-science/
5. Someone who believes in you: https://www.psychologytoday.com/au/articles/201901/the-michelangelo-effect
6. Diffusing fights: https://www.happify.com/hd/the-science-behind-a-happy-relationship/
7. Friendship: https://www.gottman.com/blog/8-myths-about-relationships/
8. Kindness: https://www.theatlantic.com/health/archive/2014/06/happily-ever-after/372573/

Harvard study: https://news.harvard.edu/gazette/story/2017/04/over-nearly-80-years-harvard-study-has-been-showing-how-to-live-a-healthy-and-happy-life/