Although dogs cannot speak, as long as you get along with dogs for a long time, you will probably be able to understand the dog's action language, and even understand the different meanings of the same dog behavior. For example, the action of a dog rubbing against a person has many meanings. After reading this, you will know what the dog wants to say!
If you meet a dog for the first time and the dog takes the initiative to rub you, it means that the dog likes you very much and has a good impression of you, so it will take the initiative to approach you.
When your dog sees you again after you go out, go to work, or go out for a while, if it keeps rubbing or licking you, it is telling you that it misses you. If your dog has worms, or itching and discomfort caused by other problems, the dog will rub around everywhere. You should pay attention to this. It is recommended to check the dog's skin health, deworm if there are worms, and treat any injuries.
If your dog rubs you while you are eating, the meaning is very simple, the dog also wants to eat.
The above are the different meanings expressed by the action of dogs rubbing against people. I believe everyone understands it.