evam-vratah—when one thus engages in a vow to chant and dance; sva—own; priya—very dear; nama—the holy name; kirtya—by chanting; jata—in this way develops; anuragah—attachment; druta-cittah—very eagerly; uccaih—loudly; hasati—laughs; atho—also; roditi—cries; rauti—becomes agitated; gayati—chants; unmada-vat—like a madman; nrtyati—dances; loka-bahyah—not caring for outsiders.