If I would take the daughter of Janaka without purifying her, people would say that Rāma the son of king Dasaratha is lustful and ignorant of the morality of the people.
बालिशो वत कामात्मा रामो दशरथात्मजः। इति वक्ष्यति मां लोको जानकीमविशोध्य हि॥