Unlike fairy tales happily ever after doesn't just happen. Rather it's the hard work and patience that you put in for a committed relationship to last. According to Suzie Pileggi Pawelski and James Pawelski a husband and wife team who've spent the last decade researching positive psychology and working on a book - 'Happy Together: Using the Science of Positive Psychology to Build Love that Lasts' positive psychology is the key to a happy relationship. Just like any muscle requires exercise to keep it functioning correctly so do relationships. There are four habits in particular that are especially important for relationship well-being.