27. Snarling and showing teeth
There are various ways in which dogs show their different moods. These moods may not always be positive ones. In some cases, they will wrinkle their muzzle as a sign of some aggression. If you see your dog snarling or showing their teeth, the best thing for you to do is remove the dog from that situation. This is because the dog could be very ready to astakine and overall happiness.
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