More than 43 percent of respondents reported that they were sometimes lonely.

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The experience of being an entrepreneur is sometimes a lonely one.

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And you know that sometimes change makes you feel lonely.

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Sometimes I see myself sad and lonely, but I think I deserve to be more happy.

CNN: December 17, 2012 -- Updated 1437 GMT (2237 HKT)

They are sometimes bullied at school and can become lonely and withdrawn.

BBC: Play festival for child carers

We characterize the modern cities sometimes as a place of alienation and anomie and the faceless lonely crowd and so on, but when an emergency like this happens and people are pushed against the extremes, you see extraordinary acts of solidarity and kindness between strangers.

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People sometimes mention the track-and-field runner as a comparably lonely figure, but I have to laugh.

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