강아지는 기분좋다=웃는다 가 성립할수 없고 우연히 웃는듯한 표정을 지었을때 주인이 좋아하면 칭찬받고 싶거나 간식받아먹고 싶어서 그런 표정을 짓는게 학습되는 거라고 하던데... 내눈에는 아무리 봐도 기분좋을때 웃는거로 보임ㅎ  숨겨진 장난감 찾았을때. 산책나와서 까불다가 눈마주쳤을때. 참다가 실외에서 배변했을때. 몰래 서랍여는거 성공하고 뭐 훔쳤을때. 그런때 혼자 저런 표정 짓곤 함ㅎ. 건강하게만 자라다오~!!!!!