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I licked a lot of things as a kid…
Sand, dirt, paper, monitor screen, window, dust, hair, plastic, CD disc…
Wow it works! Why is this?
Because you put everything in your mouth as a baby. Some things might be an extrapolation, but most of it is memory from babyhood.
Wow, that actually makes sense. I wonder why this skill was important evolutionarily
Sure but these are also things I’ve put into my mouth as an adult. (I am not a very bright adult).
