You don't think it's real? I'm pretty sure it is....
I don't know for sure but there is the quote you found but the main thing that got right from the get go is that nobody in the audience is even cracking a smile.
Laughter is so infectious I can't imagine not even one person cracking a smile or trying hard to hold back their own laughter.
Unless the whole audience has gone through the same thing too but who knows
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