Kamasutra 4.1.48

4.1.48

*sad vṛttam anuvarteta nāyakasya hitaiṣiṇī/
kulayoṣā punarbhūr vā veśyā vāpy ekacāriṇī//

“The wife, whether she be a woman of noble family, or a virgin widow remarried, or a concubine, should lead a chaste life, devoted to her husband, and doing every thing for his welfare. Women acting thus, acquire Dharma, Artha, and Kama, obtain a high position, and generally keep their husbands devoted to them.”