What will parents think if the relationship between brother and sister is not harmonious?

Brother and sister are not harmonious? It will be very uncomfortable for parents to be caught in the middle, because their palms are full of meat. Any one is not good, he will feel distressed. In fact, on the other hand, only a few people who are related by blood in the world must cherish themselves. Cherish the people who are related to you, and don't overdo it.