He pointed to a classic psychology study that found attachment and affection were more dependent on hugs and cuddles that happen to be physically warm than on merely ensuring a baby is fed.

• 他指出一份一流的心理学研究发现，依恋和情感的交流更多依靠于拥抱等物理温暖，而不是仅仅的把婴儿喂饱就行。