Kamasutra 6.6.25

6.6.25

atyantaniṣphalaḥ saktaḥ parityaktaḥ pitṛlokaṃ yāyāt tatrādharmaḥ syān na vety adharmasaṃśayaḥ/

(e) When a courtezan feels doubtful whether she would lose religious merit by abandoning a man who is attached to her without giving him the slightest favor, and thereby causing him unhappiness in this world and the next, this doubt is called a doubt about the loss of religious merit.