Why do we kiss?

Some say kissing evolved out of literal hunger and, today, a kiss provides the chance to satiate a hunger for something else: intimacy, information about someone we like and an expression of fuzzy feelings.

The science behind why we kiss

Why Do We Kiss With Our Eyes Closed?

Why We Kiss Scientific American

WHY DO WE LIKE KISSING SO MUCH?

Why Do We Kiss? Science Explains Why People Kiss To Show Affection

Do we even need reasons to kiss? In case you do, here are 6 of them

Mouth to mouth: Why do we kiss? - WHYY

Why most of us lean to the right when we kiss

The health benefits of kissing