Mbh 3.279.1c

And hearing these cruel words uttered by Sita, the foolish Ravana, although thus rejected, addressed Sita once more, saying, ‘O lady, let the god having the Makara for his emblem burn me sorely. I will, however, on no account, O thou of sweet smiles and beautiful hips, approach thee, as thou art unwilling! What can I do to thee that still feelest a regard for Rama who is only a human being and, therefore, our food?’ Having said those words unto that lady of faultless features, the king of the Rakshasa made himself invisible then and there and went away to the place he liked. And Sita, surrounded by those Rakshasa women, and treated with tenderness by Trijata, continued to dwell there in grief.”