Inexplicable Habits of a Co-Worker

Types on his/her keyboard as though each finger is a 50-lb. weight.
Mimics other people's laughter when other people make the mistake of laughing.
Yawns at the top of his/her lungs.
Stretches at the top of his/her lungs.
Blurts out random things.
Exaggerates his/her sneezes.
Makes trumpet noises with his/her mouth.

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