Why Humans Show Affection By Kissing

There are so many reasons why humans kiss in order to display affection. In fact, some studies claim that even animals do kiss in their own way in order to show affection.
In animals, kissing could be an act to touch and assess a potential mate. It is also used as a feeding method in birds.
In humans, the act of kissing triggers hormonal action. But have you wondered what could be the reason behind kissing? Let us go through some speculations and facts on this topic.
There are many types of kisses. Pecking and other formal kisses are part of some cultures but when it comes to romance, kissing does a lot more than displaying affection for the other.

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