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LampPro Tip 1/2
Contagious ActionPlay
Seeing or hearing someone yawn often makes others feel like yawning too. SlideAs soon as he yawned, the whole room started to yawn one after another.
LampPro Tip 2/2
It's considered impolite to yawn openly in some cultures, especially without covering your mouth. SlideWhen I yawned without covering my mouth, my mother reminded me of my manners.