According to popular belief, you should not look into the eyes of an unfamiliar dog - you will bring trouble.
And there is a grain of truth in this. We explain why you really shouldn't stare into the eyes of street dogs.
Why you shouldn't look stray dogs in the eyes
The sign is explained very simply: all animals, including dogs, perceive a close look as aggression.
People have known this since ancient times, hence the belief that meeting the gaze of a stray dog is a sign of trouble.
As for domestic dogs, eye contact with their owner is the most important means of communication.
A domestic dog suffers if its owner does not look it in the eyes. So you can and should look your dog in the eyes.