4 things single people should know about living alone

Back in the 1920s, only 5% of Americans lived alone. In 1970, it was still less than 6%. By 2013, it was 23%. Not getting married is even more widespread. Over 50% of American adults are now single, compared with 37% in 1976.  But as as Kate Bolick, the author of "Spinster: Making A Life of One's Own," tells Business Insider, America remains obsessed with coupledom --meaning there's little in the way of advice out there for people who want to be contentedly single.  "All of us grow up with t...