Dogs, like humans, also cry when they are happy

Dogs and humans have a special bond.

.

So much so, that walking away from them hurts.

They are one more member of the family.

We suffer and cry for being away from them and for their well-being.

"Will

"

If he has a dog, he too will have experienced this nightmare.

But do they also suffer from this pain?

You are right.

A new study published in

on Monday, which could be the first to take an in-depth look at this question, claims that

.

And this is more common when they join

after being without them for a certain time, such as going on vacation or leaving them home alone.

"We have discovered that dogs shed tears associated with

, a researcher at Azabu University (Japan) and author of this study

, tells this newspaper .

"We also made the discovery of

as a possible underlying mechanism."

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Oxytocin is the hormone that is responsible for regulating the behaviors, feelings and emotions of parent/child behavior and breastfeeding.

It is known as the

, as Kikusui details.

Along with other researchers, Kikusui.

He decided to study the behavior of his canine companions, in this case the females giving birth.

They verified that, when giving suck to their puppies, they cried.

Not in the same way as human beings, but her eyes filled with tears.

"That gave me the idea that the production of oxytocin could increase tears," says the Japanese scientist.

From that moment on, they carried out a series of experiments to check if the dogs really cry.

They first did several tests to

before and after they were reunited with their owners.

The result?

The volume of tears increased when they met these, something that did not happen when they met an unknown person.

They then added oxytocin to the dogs' eyes, and the number of tears also increased.

This finding supports the idea that oxytocin release plays a

in tear production when dogs and their owners are reunited.

"We had never heard of the discovery that animals shed tears in joyous situations, such as reunions with their owners, and we were all excited that this was a world first," says Kikusui.

In this sense, the project confirmed that dogs cry in happy situations such as the reunion with their humans and that the bond between dogs and owners is stronger than previously believed.

Dog lovers are filled with emotion to meet again with our

.

Know that they will always be there.

They feel the same.

AND THEY ALSO SMILE

Dogs show us their love with multiple actions.

.

Human beings have been interested over the years in investigating the behavior of animals, a field known as

.

They lie down next to us, look us in the eye, suck us, bring their favorite toy between their teeth, sleep with us... and according to some researchers they also smile.

believes

, an academic from the Faculty of Veterinary Medicine and Zootechnics of the National Autonomous University of Mexico, who affirms that when dogs are really enjoying themselves, they change their facial expression.

There are many images and videos that we find on social networks like Twitter or Instagram of these smiling.

Even the owners create personal accounts of their own dogs: Some to show other users how handsome their dog is, others to show the incredible feats of these, and others, simply for fun.

If you have a dog, surely you have seen it too.

That dogs have the ability to smile is due, according to Tejeda, to our long coexistence with them.

That bond over the years has been strengthening, and that indescribable feeling is what keeps us together.

Love?

Happiness?

Peace?

Company?

All of it.

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