Nationwide survey conducted by government body says husbands refuse to wear a condom and wives fear STDs, as they suspect extramarital affairs 'Not now, darling, I have a headache', is easily the most often 'no sex' phrase bandied around in popular culture.
Next time you watch television take a close look at a Viagra commercials. Notice the people they are trying to reach? Mid-aged, married , wanting to get frisky like when they were young, and looking for anything to give them a boost in the bedroom.