Kamasutra 5.4.44

5.4.44

tasyā eva tu gehe viditaniṣkramapraveśe cintitātyayapratīkāre praveśanam upapannaṃ niṣkramaṇam avijñātakālaṃ ca tan nityaṃ sukhopāyaṃ ceti vātsyāyanaḥ//

Gonikaputra is of opinion, however, that these meetings had better be brought about in the abodes of female friends, mendicants, astrologers, and ascetics. But Vatasyayana decides that that place is only well suited for the purpose which has proper means of ingress and egress, and where arrangements have been made to prevent any accidental occurrence, and when a man who has once entered the house, can also leave it at the proper time without any disagreeable encounter.