While sexual intimacy only takes up about 10 percent of a relationship in terms of time and energy, the payoff for a good sex life is tenfold, both for yourself and your relationship. But for many, the quality of their sex life is the first thing that starts to wan once they have settled in for a long haul. Maybe this is because the novelty has worn off; maybe this is because you’ve run out of new positions and ideas; maybe this is because it gets easy to take for granted that your mate will be there tomorrow if you have more energy or desire then. Regardless, it takes a personal and relational commitment to keep your sex life alive and healthy. So if you’ve been feeling a lack of luster in your sex life, here are some things to consider.