If you haven't noticed, being single is no longer a bad thing. In fact, 105 million adults in the U.S., or nearly one-third of the population, are single. Marriage rates are declining, from 72% of U.S. adults in 1960 to just 52% in 2008. And 14% of U.S. adults are either separated or divorced versus just 5% in 1960.

When things like Internet dating, once seen as the desperate act of desperate people, becomes the new norm -- with studies finding that these folks are actually exceptionally social with high levels of self-esteem -- you know there's a movement underfoot. In fact, in 2010 online dating was the fastest-growing e-commerce industry trailing only pornography (alright, some things may never change).

Just as significantly, only half of Americans now recognize marriage and childbearing as required milestones of adulthood. And while views on marriage have evolved over time, the one constant has been a high divorce rate, with almost half of all first marriages now ending in divorce (67% of second and 74% of third marriages!)

Bottom line, we're living in a world filled with singles. And they feel pretty good about it.

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