I just noticed that I do .

  • @QuarterSwede@lemmy.world
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    31 month ago

    People do it out of respect for others since yawning is contagious. We tend to hide our mouths so that others don’t yawn.

    • @CmdrShepard42@lemm.ee
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      31 month ago

      I do it because you look really stupid when you yawn, walking around mouth all wide. The hand hides all that.