Why do dogs a grin type look when they know done something wrong?

It's a common misconception that dogs grin when they know they've done something wrong. The "guilty look" they often display is actually a stress response and not a genuine smile.

Here's why:

* Lip Licking: Dogs often lick their lips when they are anxious or nervous. This can be a sign of anticipation, excitement, or even fear.

* Ears Back: Pulling their ears back is another sign of anxiety, indicating submission and a desire to avoid conflict.

* Tail Tucked: A tucked tail also signals fear or nervousness.

* Yawning: Yawning can be a stress-relieving behavior in dogs, much like humans.

* Whining: Whining can be a way for dogs to appease their owners and avoid punishment.

In short, the "guilty look" is a mix of stress signals that indicate a dog is feeling anxious in a situation, not necessarily remorseful.

Here's a thought experiment:

* Imagine your dog is doing something you've forbidden, like chewing on furniture. You enter the room, and they see you. They've been caught! They know they are in trouble.

* They may exhibit the "guilty look" because they are anticipating your reaction (which could be punishment). They are stressed and nervous!

It's important to remember that dogs don't have the same moral compass as humans. They don't understand right and wrong in the same way. They respond to their environment and act based on instinct and learned behavior.