Criticism Besides the common criticisms of self-help, Harvard psychologist Bella M. DePaulo has written books  such as Singlism  on the stigmatization of single people.
Criticism Besides the common criticisms of self-help, psychologist Bella M. DePaulo has written books on singlism such as Singlism : What it is, why it matters and how to stop it and Singled Out on the stigmatization of single people.
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Harvard
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on singlism
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: What it is, why it matters and how to stop it and Singled Out