Young single women are actually out-earning young single men in a lot of major cities. Only about 35 percent of single women are planning for retirement. An unprecedented number of single women are buying a home on their own. One of the most common reasons why women and men do Its just Lunch dating online is that it is trouble-free and very discreet. Single women are also at a disadvantage: they are nearly twice as likely as married women to be uninsured or to become uninsured when changing jobs. Dating online is big business and new dating sites spring up every day.