hey friends can you tell me why do people kiss and what makes them to kiss?

A kiss is a way to say "I love you".

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Canadian Lover - Loves to date

A kiss to a women in by a men is the intimation of sex.It usually starts before sexual activities.

It has a scientific reason also.When people kiss its an exercise of their teeth and jaws.When their lips crash with each other it produces an electric current also.

a kiss a hunger.Just like a thirst for water.It is hunger for sex.This hunger is for starting a relationship,for childrens,for marital happiness,etc.