It may not happen all the time, but it happens often.
"Not everyone wants a sex life as they head into last third of life.
"The initial passion of any relationship changes after 18 months," says Sallie Foley, MSW, director of the Center for Sexual Health at the University of Michigan.
She is the author of Modern Love and Sex and Love for Grownups.
But AARP studies show that 65% remain sexually active." Put aside the romanticized, silver-screen notions of sex, Foley says.
"The majority of people your age are having good-enough sex.