Recent evidence shows that self-reported romantic passion corresponds with couple happiness Gonzaga et al. They can translate into marriages characterized by disillusionment. The passion experienced in any one relationship differs from that experienced by other couples, and even within a couple, passion tends to ebb and flow over the course the relationship. Keep in mind, though, that companionate love i. This suggests that both passion and love encourage relationship well-being. How do you feel about your relationship after having sex? Dating couples who have discussed making their relationships permanent e. Accordingly to Sternberg , passion involves a longing for someone, which can be inclusive of sexual desire, but can also describe the emotions involved in the powerful connection between a parent and a child. When people engage in sex to increase intimacy, they experience an increase in sexual desire, which leads to greater relationship satisfaction. The kind of passion between two people that leads to sexual satisfaction is highly rewarding in romantic relationships , and sexual satisfaction is a strong predictor of overall relationship satisfaction, commitment, and love Sprecher, Passion makes sex a positive factor in relationships. Passion might affect happiness, but not as much as love. Love, intimacy, and commitment are just as, if not more, important to relationship well-being. Is it really love or just friendship? It seems that lots of love and a dose of passion, rather than the reverse, are central features in relationships that transition to long-term partnerships. It is the force that compels you to be near your partner and the motivational pull responsible for the feeling of missing that comes from being away from him or her. In other words, is passion really necessary for relationship success?