Kamasutra 5.4.54

5.4.54

dautyena prahitānyayā svayam eva nāyakam abhigacched ajānatī nāma tena sahopabhogaṃ svapne vā kathayet/ gotraskhalitaṃ bhāryāṃ cāsya nindet/ tad vyapadeśena svayam īrṣyāṃ darśayet/ nakhadaśanacihnitaṃ vā kiṃ cid dadyāt/ bhavate 'ham adau dātuṃ saṃkalpiteti cābhidadhīta/ mama bhāryāyā kā ramanīyeti vivikte paryanuyuñjīta sā svayaṃ dūtī/

(4) A woman who goes herself to a man, and tells him of her having enjoyed sexual union with him in a dream, and expresses her anger at his wife having rebuked him for calling her by the name of her rival instead of by her own name, and gives him something bearing the marks of her teeth and nails and informs him that she knew she was formerly desired by him, and asks him privately whether she or his wife is the better looking, such a person is called a woman who is a go-between for herself. Now such a woman should be met and interviewed by the man in private and secretly.