Some issues older couples may have to cope with

There will be some hormonal changes when you are over 50, as your sex hormones begin to take a dive. The drop in these hormones does not mean the death of your sex life, as medical intervention can put you back on the right track and help to restore libido.
A difference in desire may cause some strife between couples regarding their sex life. A frank, open discussion by both partners about their feelings and needs, will go a long way towards calming the troubled waters.
Look after your health and get treatment if you have bladder problems or high blood pressure, or other issues.