The Science Behind Dog Smiles: Understanding Your Pet's Happy Expressions

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dog smiles

happy expressions

canine facial expressions

dog behavior

dog communication

pet care

dog language

facial anatomy

emotional intelligence

social interaction

body language

domestication

neoteny

relaxed open-mouth expression

submissive grin

social intelligence

emotional greetings

behavioral adaptations

positive reinforcement

canine physiology

animal behavior

emotional states

social bonding

human-canine relationships

dog training

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