失寵 Fall Out of Favor

哥哥因為妹妹的出世漸漸被家人忽略，作為照顧者之一的祖父怎樣察覺到「失寵」孩子的內心世界？
Brother fell out of favor because of his sister's birth? How did the grandfather, one of the main caregivers, perceive his inner world?

Favor