A man wanted a son very much, but his wife always had a daughter. Until the fourth, he finally had a son. From then on, he focused all his attention on his son. Daughters can live a good life, do not need too much attention.
Thirty years later, the son grew up. But the son grew up in his full attention, still so weak can not be independent. However, he was a frail and sick old man, unable to take care of his son. At this point his daughters offered him a helping hand. He finally looked at his daughters and was pleased and happy. With the help of his daughter, he can continue to take care of his son.