“It is common for partners to inwardly reflect on how satisfied they are in their intimate relationship. A wise counseling client of mine once said that it is glaringly more obvious when an intimate relationship is not working out versus when it is going well.
So, if you feel your relationship is working well for you and your partner, wouldn’t it be enlightening and helpful to know what is making it thrive? Or, if you are not in a satisfying relationship, it could feel centering to see what makes other relationships so rewarding.” Source: 9 Signs That You Are in a Great Relationship
Bright, shiny objects! 
What do you think?