Why can the puppy appear at the door accurately before the owner comes home?

Why can the puppy appear at the door accurately before the owner comes home? Many pet friends will find this phenomenon. When you want to go home, the moment you open the door, you will find the dog waiting for you at the door, wagging its tail. Do you feel that your heart has been melted? So how did the dog know you were going home in advance? Personally, there are three reasons, the third of which is the most important.

Why can the puppy appear at the door accurately before the owner comes home? First, dogs not only have a good sense of smell, but also have good hearing. Do you find that dogs like to lie on the ground? A little trouble, the dog will find it in advance, so the dog can predict the earthquake before people, and the dog will already hear the sound downstairs before the owner comes back. Why didn't he run to the door to meet him in advance?

Secondly, dogs are animals with strong time rules. What time to do is actually engraved in the dog's biological clock, so you will find that the dog will choose to go to the toilet or sleep at a certain time, and there are certain time rules, so the dog almost knows when the owner comes back from work.

Third, the owner is everything to the dog. If the first two reasons can only be said to be the physiological characteristics of dogs, then the third reason is the psychological characteristics of dogs. Humans have a long history of domesticating dogs. Early dogs were working dogs or guard dogs in the crowd and needed the cooperation of dogs and their owners.

So dogs are very dependent on humans. For humans, your life may include many things, but for dogs, the owner is his life. A pet friend once installed a camera at home to see what the dog was doing when the owner was not at home. It turns out that dogs often run to the door to wait for their owners to come back. For dogs, there are only two tasks every day, one is to accompany their owners, and the other is to wait for their owners to come back to accompany them, so you