Kamasutra 6.6.35

6.6.35

yatrābhigamane vyayavati pūrvo viruddhaḥ krodhād apakāraṃ kariṣyati na veti sakto vāmarṣito dattaṃ praty:ādāsyati na veti sa ubhayato 'n:artha-saṃśayaḥ.
ity auddālaker ubhayato-yogāḥ.

(d) When a courtezan is uncertain whether a former enemy, if made up to by her at her own expense, would do her some injury on account of his grudge against her; or, if becoming attached to her, would take away angrily from her anything that he may have given to her, this is called a doubt on both sides about loss.