The Importance of Yawning

The key with this one is you say, and when you do swallow, there'll be a tremendous sense of relief. If someone coughs, usually three or four or five other people will cough immediately after that. Kids love this, but adults are blown away by it too. It's something in our nature. We see someone yawn even if you see the word yawn. It's just really tired. Yes. And it is infectious. It is amazing.