How can you maintain a healthy sex life for decades?Some couples find it hard to maintain an interest in sex with one another over time. The thrill may not be completely gone, but it will take some cultivating to revive it. One of the largest studies to date on sexual satisfaction in long-term relationships will be published in the Journal of Sex Research later this month. That study has found that couples with satisfying sex lives do a lot of communicating. Incorporating variety in the bedroom can fuel your sex life. Reading articles on how to "spice it up" isn't as effective as actually trying out those tips. The study found that sexually satisfied people: Try new sex positions Incorporate lingerie Take a shower or bath together Talk about or act out their fantasies Give back rubs and massages How can you maintain a healthy sex life for decades? Sociology professor and sexuality researcher, Dr. Janet Lever, discusses how to have a long, pleasurable sex life.