Marriage is a life-long commitment and your spouse can have a major effect on your overall physical, mental and emotional health and vice versa.  Sex has a profound effect on our overall health and happiness. The why behind this stems from the hormones that are released such as oxytocin (dubbed the 'love hormone') serotonin and endorphins. Sex combats mental fatigue, anxiety, and depression, and thus leading to a happier us. Even after being together for many years, it is important for both people to view sex as a very core and important part of their overall relationship. Here's why.