The phrase ‘tears of joy’ never made much sense to one American psychologist. But after conducting a series of studies of such seemingly incongruous expressions, she now understands better why people cry when they are happy.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/Qwd09GME9iw/141111124047.htm
Why ‘I’m so happy I could cry’ makes sense
11 noviembre 2014
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