"Sex is not only beneficial for your relationship. People who enjoy it twice a week may get a boost to their immune system, according to a Wilkes University study. And women who are less satisfied sexually are more likely to have plaque buildup in their arteries. The most common roadblock people complain about is a busy schedule. Get around that by picking a time and date with your partner. The buildup will compensate for the lack of spontaneity. And remember: No partner doesn't mean no sex. This is about health and happiness, so don't be afraid to take care of yourself."