Why do people kiss? Do animals do?

Kissing is an outpouring of affection.

Kissing is an act of affection controlled by the brain, animals do not kiss but there are other ways to show it, such as most birds will touch each other's heads, and elephants will use their noses to convey affection.

Human ancestors may not have had the act of kissing, in the close relatives of humans chimpanzees and bonobos, there is a way of kissing, for chimpanzees, kissing is a way to reconcile, and later kissing is an acquired behavior created and passed down by Western society, as far as we know, except for these two great apes, other animals do not kiss at all.

1.Kissing is more than just a sign of affection. Religion will kiss, and so will socialization.

2.Not all cultures consider kissing to be an expression of affection.

3.In Western society, kissing was not popular in the beginning. Ancient Greek texts rarely mention kissing; In the Middle Ages, kissing began to become part of social etiquette, but only in the upper classes; It was only in modern times that kissing became popular.

4.Origin of kissing: According to the 19th-century anthropologist Cesare Lombroso, kissing may have originated from a mother's kiss to her child.

For example, in Japanese society before the 20th century, kissing was only practiced between mothers and babies. It is also believed that there is a great similarity between animal feeding behavior and human kissing.

Other researchers believe that kissing may have the biological meaning of "smelling". According to.

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1.Enhancing RelationshipsIn love, kissing can increase our satisfaction with the relationship. A sweet kiss can bring a lot of happiness.

When kissing, we interpret this behavior, thinking that the other person's kiss is loving, and thus gain a sense of support and satisfaction. At the same time, when kissing, the human body secretes dopamine, oxytocin, and serotonin, and under the action of these happy hormones, we will have a sense of happiness

Kissing fish. This can be said to be the world's favorite kissing animal, and even couples in love may not kiss as often as kissing fish.

And because of the frequent kissing, the lips of the kissing fish are also extraordinarily thick and full.

The real name of the kissing fish is not a kissing fish, but a "barramundi perch". According to the biological classification, they belong to the order Perch, the family of Bass (or Marshmouth Fishes).

In the human world, kissing is love, while in the world of kissing fish, kissing is fighting, and they only kiss when they are fighting for territory.