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Why do we kiss? What is so significant in (romantic) kissing?

Dr. Aris Thorne
Dr. Aris Thorne
Senior Science Editor · Mar 18, 2026 · Updated Apr 13, 2026

Adding to the wisdom of Q-gonzalez (although I disagree about the suckling bit): The lips have tons of nerve endings. Same with the tongue. The degree of trust you require to kiss is significant.

98
Words

1 min
Read Time

#132
of 500 in History

+36%
vs Category Avg

The Short Answer

Adding to the wisdom of Q-gonzalez (although I disagree about the suckling bit): The lips have tons of nerve endings. Same with the tongue. The degree of trust you require to kiss is significant. Some speculate that kissing hearkens back to cavepeople days, chewing up food and depositing it in the mouth of a loved one to keep them alive. I might ask whether you've kissed — or kissed properly — because it is simply the most intense erotic experience you can find. That's why whores often do everything but kiss. Here's a wikipedia attempt at explaining: _URL_0_

Analysis

Key Concepts: Kiss, kissed, adding

This explanation focuses on kiss, kissed, adding and spans 98 words across 7 sentences. At 36% above the average History explanation (72 words), this is one of the more thorough answers in this category, reflecting the complexity of the underlying question.

What This Answer Covers

The explanation opens with: “Adding to the wisdom of Q-gonzalez (although I disagree about the suckling bit): The lips have tons of nerve endings.” It then elaborates by presenting a contrasting perspective, ultimately building toward a complete picture across 7 connected points.

How This Compares in History

Ranked #132 of 500 History questions by answer depth (top 27%). This falls in the detailed tier — above average depth. The explanation goes beyond surface-level but keeps things accessible.

Frequently Asked Questions

Is there a simple explanation for why we kiss? what is so significant in (romantic) kissing?

Adding to the wisdom of Q-gonzalez (although I disagree about the suckling bit): The lips have tons of nerve endings. Same with the tongue. The degree of trust you require to kiss is significant. Some speculate that kissing hearkens back to…

How detailed is this explanation compared to similar History questions?

This is an above-average answer at 98 words, ranked #132 of 500 History questions by depth. The key concepts covered are kiss, kissed, adding.

What approach does this answer take to explain we kiss? what is so significant in (romantic) kissing?

The explanation uses root cause analysis and contrasting perspectives across 98 words. It is categorized under History and addresses the question through 2 analytical lenses.