Human skin carries:
- salt from sweat
- food traces
- lotions
- scents
Dogs have an extremely sensitive sense of smell and taste. Sometimes they lick simply because your skin tastes interesting.
3. It May Be a Stress Signal
Some dogs lick excessively when nervous.
If licking happens alongside:
- yawning
- avoiding eye contact
- tucked tail
- lip licking
- pacing
it may signal anxiety rather than affection.
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