How to rid oneself of this offense

"Leaving aside all material attachments and accepting voluntary poverty, one should humbly worship Lord Krsna's lotus feet, taking full shelter of the chanting of the holy name. He should search out the association of sadhus and serve them without material desires. Gradually his heart will become impregnated with attraction for the holy name. The egoistic mentality of 'me' and 'mine' will disappear, and he will surmount the ocean of material nescience. By hearing the glories of the holy name, the last traces of false ego will dissipate. Symptoms of a pure devotee will then blossom in his heart, and he'll take to fhe six processes of surrender. He who finds complete shelter in the holy name is a great soul, for he becomes the recipient of the treasure of krsna-prema.

Symptoms of one who is free from namaparadhas

"Full spiritual benefit is not acquired simply by avoiding the ten namaparadhas. These ten offenses have, their distinctive features; in being warned to avoid them, one is actually being ordered to positively implement the specific saintly qualities that render these aparadhas impossible.

Brain action directly affects your mind—and conversely, mind action affects your brain. However, this doesn't mean that your brain is your mind, or vice versa.
Siddhaswarupanda

Therefore, one must not criticize, but glorify, the saintly Vaisnavas. Worship Krsna as the Supreme Absolute Lord. Realize the excellence of the guru who initiates one into the holy name. Comprehend the pre-eminence of the scriptures that reveal the glories of the holy name. Root out and destroy the desire to commit sins. Know within the heart that the holy name is eternally situated in pure transcendence. Preach the glories of the holy name only to the faithful. Give up ritualistic pious activities entirely, and surrendering fully to the holy name, chant without delusion.

Bhava attained quickly by offenseless chanting

"When one is thus free from offenses, he becomes the most fortunate being. He acquires all good qualities and becomes eligible to receive Lord Krsna's causeless mercy. Very quickly his chanting awards him the divine fruit of bhava, the first stage