Ay Saurabh! How was your date last night? Did you inject her fertile womb with your juice of life, you ol' son of a gun?!? I know you did you egg fertilizing bastard.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.