As you age and hormone levels decline, you can expect your body to change. You will also face other physical and social challenges. You may need to undergo surgery. Your doctor may prescribe daily medications. You might struggle with the transition into retirement, or take on the role of caregiver to your spouse. All of these factors can put a damper on your sexuality. And since it takes two to tango, a problem for one person often translates into a problem for a couple.