how people can order and drink “extra hot” coffee and not burn their mouths?

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If I’m getting 2nd degree burns in my mouth, how aren’t they? How is their skin/tongue/mucus membrane able to withstand something mine can’t?

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Anonymous 0 Comments

Many years ago a friend of a friend worked at a coffee shop where they would talk about coffee; tasting, roasts, drinking, etc. They would also sample the various kinds of coffee and prep techniques so the staff could develop informed opinions.
One of the things that was passed to me via gossip was a time they talked about drinking technique. (I will describe this terribly, but give me a break the memory is over a decade old.) The technique described was like tipping the cup until the coffee was _almost_ at the edge, and then sucking air just at the edge of the liquid so the coffee was kind of sucked off the surface with the air and entered the mouth as a particulate spray. This cooled the coffee slightly and helped avoid direct contact with the tongue.
There were taste benefits mentioned and also maybe a connection to how folks who work outside in too-many-fricken-digits below zero cold weather can drink hot liquids without causing teeth to thermally crack. It’s a third-hand memory, but that bit about avoiding tongue burns has stuck in my brain.

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