Why do humans kiss as intimacy?
In: Other
I believe I read once that humans share a lot of unspoken biological information when they kiss: what’s your microbiome like, your health, etc. It also introduces women to their partner’s biological material, making it less likely the immune system won’t respond well when it comes time to accepting genetic material.
Kissing also releases feel good/happy chemicals in our brains, helping us bond to our partners
Keep in mind research may have updated since then.
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