Kamasutra 6.6.25

6.6.25

aty:anta-niṣ:phalaḥ saktaḥ parityaktaḥ pitṛ-lokaṃ yāyāt tatrā:dharmaḥ syān na vety a:dharma-saṃśayaḥ.

(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.