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.

This Theory Could Explain Why We Close Our Eyes When We Kiss

Why We Close Our Eyes When We Kiss / Bright Side

It's gross to share your toothbrush, so WHY do we love kissing strangers with tongues so much?

Ask Smithsonian: Why Do We Kiss?, At the Smithsonian

Why Do We Kiss With Tongues? The Science and Psychology of French Kissing - PairedLife

Why Do We Kiss?

Should You Kiss On The First Date? Here's What We Think - Society19 UK

Why Do we Close our Eyes when we Kiss

Nathan Smith Society kissing