Yunjae was born with a brain condition called Alexithymia that makes it hard for him to feel emotions like fear or anger. He does not have friends, but his devoted mother and grandmother aren?t fazed by his condition. Their little home is decorated with colorful post-it notes that remind him when to smile, when to say 'thank you,' and when to laugh. Yunjae grows up content, even happy, with his small family in this quiet, peaceful space. Then on Yunjae?s...