“Loneliness isn’t just a fleeting feeling, leaving us sad for a few hours to a few days. Research in recent years suggests that for many people, loneliness is more like a chronic ache, affecting their daily lives and sense of well-being.” About half of all Americans report being lonely. And, as NPR reports, young people bear the heaviest burden. (This is another example of how the Internet is upside-down world. We’re more networked than ever, and more alone than ever…)