Why do dogs like to lick people?
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Expert Answer
Dogs lick you mainly to learn about you, please you, and show they like you. If a dog just licks you a little and walks away, it may only be gathering information from your scent. If it licks you constantly, it very likely wants to show it likes you or wants to please you.
In addition, dogs like to lick people possibly because they are rather clean; when they feel you need cleaning or have body odor, they may lick you to help clean you.