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  I had the same problem with my four month old, and tried yelping in a high pitch, walking away and ending playtime, and saying "ouch!", and none of it worked. The only thing that stopped it was establishing dominance by saying "No!", putting her on her back saying "Calm Down" until she stopped, and then offering my hand and getting licks instead of bites. Now we can play the same and she'll just play bite at me (e.g., make a motion like a bite and occasionally lightly scrape with her teeth), which is fine for me. I know some people might disagree with the method, but her biting was a real problem when we played until I did that three times. Now playtime is fun again.  
				__________________Cookie  ;;; RIP Minnie   |