Dogs may want to lick inside your mouth for a couple of reasons: it could be an evolved behavior, or they simply find it tasty due to the flavors from the food you've been eating.
Possible Explanations for Mouth Licking
Here's a breakdown of the potential reasons why dogs exhibit this behavior:
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Evolved Behavior: Licking could be a remnant of puppyhood behavior where pups lick their mother's mouth to solicit regurgitated food. This behavior might persist, indicating affection or a desire for attention or food.
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Taste: Our mouths are full of residual flavors from what we eat and drink. Dogs have a strong sense of smell and taste, making the lingering flavors in our mouths appealing to them.
In summary, while somewhat unappealing to us, this behavior is normal dog behavior and stems from affection, learned behavior, or the allure of food flavors.
