Is frequent s3x good for couples? Research has shown that couples who have s3x at least once a week are happier than their less-bedded counterparts. (A caveat: Happiness levels don't rise with more time spent under the sheets.) Still, that number doesn't quite apply for everyone. How often do husbands want s3x? Researchers asked nearly 600 people about the role of s3x in romantic relationships. And interestingly, both genders agreed that once a week just isn't enough. Sixty-five percent of women