Joy and happiness makes us genuinely smile, but can forcing a smile make us genuinely happy? Say cheese! SUBSCRIBE to BrainCraft! Click here: http://ow.ly/rt5IE Talking psychology, neuroscience... | From: BrainCraft Views: 23693 462 ratings | |
Time: 02:40 | More in Education |
Mittwoch, 1. April 2015
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