Prophet Ya'qub

Yakub or Yaqub (يعقوب‎‎, romanized: Yaʿqūb, also transliterated in other ways, including Yaqoob, Yaqoub, Yaqub, and Yakup) is a male given name. It is the Arabic version of Jacob and James. The Arabic form Ya'qūb may be direct from the Hebrew or indirect through Syriac.

4 Questions

If my prayer for something has not been answered, should I keep on praying and not lose hope the way Prophet Yaqub (a) did? Or should I convince myself that it was not good for me and have patience and accept that I will never get what I wanted? Sayyed Mohammad Al-Musawi	Was Prophet Yusuf (as) the leader of Prophet Jacob (as) during their lifetime rather than the other way around? If so, what was the reason? Sayyed Mohammad Al-Musawi
We often hear that parents must treat their children equally. If it is so, then why had Prophet Yaqub's (as) sons felt that he preferred Yusuf (as) over them? Sayyed Mohammad Al-Musawi	How was Prophet Yaqoob (as) a good father, and what were his characteristics that fathers of today should follow? Sayyed Mohammad Al-Musawi