Why yawn when we see someone do it?

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Why yawn when we see someone do it?

Yes, this is another of the great mysteries of life, why yawn when we see someone do it? sure has happened to you more than once and you have asked the same question, and yes, it also has a scientific explanation, like almost everything in this life, so if you are interested in the subject, keep reading. The yawn is like that surprise guest who appears unannounced: you see someone opening his mouth as if he were a alligator and, bam!, you too ar…