1. In this Hadith, the love of Allah signifies the sweetness of Iman.
2. The love of Allah and His Prophet (sallallaahu ’alayhi wa sallam) is the cornerstone of the Faith. When it is said that this love should exceed one's love for everything else in the universe, it means that what is enjoined by Allah and His Prophet (sallallaahu ’alayhi wa sallam) must be given preference over everything else, whether it is love for the wife, children, worldly interests, desires or whims. When there is a clash between the two, the former should be given preference over the latter.
Ref.: Imam Al-Nawawi's Riyad-us-Saliheen # 375.
so why do we hate others for one or two mistakes they've made?
O ALLAAH FORGIVE MY MISTAKES. Aameen.