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Almost every dog owner has experienced their dog giving them a big, slobbery lick on the face or hand. Some people love it, others hate it, but it's a nearly universal part of dog ownership. But why does man's best friend seem to enjoy licking humans so much? While the full answer is still a bit of a mystery, canine behaviorists have some pretty good ideas. If you've ever wondered why dogs lick people, read on to discover the answers and learn more about your dog's behavior.

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1. Affection

Most people casually refer to licks as kisses, and they're not far off. The primary motivation behind it seems to be a visible sign of affection and trust. Even wolves lick each other as a form of mutual grooming, and licking a new member of the pack is a sure sign that the new wolf has been accepted. Since dogs bond closely with humans, many experts believe they're just transferring the same behavior over to their two-legged family members.

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