Now Playing: Only the lonely (11:06)
Sunday investigates teenage loneliness and ask experts about this social pain.
Now Playing: Advice for parents (3:04)
Want more tips about helping your teenager with loneliness? Click on this video. Dr Terry Fleming has further advice.
The 'X File' on teenagersopinion
Published: 3:32PM Wednesday February 12, 2014 Source: Sunday
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