how did kissing evolve like how did we as a human civilisation decide kissing was the universal display of affection like why do we kiss instead of licking each other’s ears idk
Saliva exchange is important, weirdly enough. A quick Google search can answer in more detail if you are interested. One of the weirder things I learned in Neuro ~_~
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Id saliva exchange with u anyday kitkatz kitkatzGasm
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Whoa that is interesting! I didn’t know my saliva was so sexy
Thanks. Twitter will use this to make your timeline better. UndoUndo
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