Love for God and oneself promotes the preservation oneself from the consequences of sin and avoidance of sin. It is suggested out of love for one self and for God one avoids certain behaviors. Love for others promotes loving behavior toward them.
A king is a conservator of the peace. Terrible judgement befell Jerusalem and such approximately 40 years (the 'dunging' or 'cultivating' period lapsed in ~70 AD?) after the crucifixion. "Witchcraft is as the sin of rebellion".