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forced smiles

  • Game Code: 2925692
  •  English    20     Public
    forced smiles
  •   Study   Slideshow
  • forced
  •  15
  • benefit
  •  15
  • researcher
  •  15
  • not real
    fake
  •  15
  • brain
  •  15
  • release
  •  15
  • chemical
  •  15
  • relive
  •  15
  • pain
  •  15
  • well being
  •  15
  • odd, strange
    weird
  •  15
  • movement
  •  15
  • facial
  •  15
  • muscle
  •  15
  • improve
  •  15
  • mood
  •  15
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