"Fulfilling my desire and sacrificing His own promise, He got down from the chariot, took up its wheel, and ran towards me hurriedly, just as a lion goes to kill an elephant. He even dropped His outer garment on the way. "

On the battlefield He charged me, as if angry because of the wounds dealt by my sharp arrows. His shield was scattered, and His body was smeared with blood due to the wounds." 

The Lord, being absolute, can accept service from His pure devotee even in the garb of an enemy. The Supreme Lord cannot have any enemy, nor can a so-called enemy harm Him because He is unconquerable. But still He takes pleasure when His pure devotee beats Him like an enemy or rebukes Him from a superior position, although no one can be superior to the Lord. These are some of the transcendental reciprocatory dealings of the devotee with the Lord.