Why do dogs rub their neck on you?
People also ask, what does it mean when your dog rubs up against you?
Your dog rubs against you for the same reason cats rub against their people—he's marking you as an important member of his pack. Your dog has scent glands in his face that, when he rubs it against your legs, leave behind a scent and let the world know you're with him.
Likewise, why does my dog put her neck on my mouth?
The Root of the Behavior But when your dog nuzzles you, he could be doing it to establish ownership. Dogs have scent glands in their faces so when your dog nudges you with his head, he is marking you with his scent to signal other dogs to keep off.
Recently, psychologists performed a study on dog behavior and learned without a doubt that dogs do get jealous. Whether it's jealousy as humans experience it, or an offshoot of deeply ingrained dog behavior like resource guarding or redirected excitement, dogs do feel envy.