Taking medicine without Doctor’s prescription is foolishness. Similarly reading sastra without genuine guru is ignorance.
The living entities in different forms are sons of the Lord and therefore the father, the Supreme Lord, supplies them food according to their different bodies.
We come to Vrindavan not to enjoy a vacation, but we come here to serve. We come here to surrender and to get purified by chanting and performing any type of seva in the association of devotees.
Because its our most potent weapon against her. To the degree you allow her to distract you from chanting well, you become malleable to her will.