Brihajjataka 4.2

4.2

yathā asta rāśir mithunaṃ sameti tathaiva vācyo mithuna prayogaḥ/
asad graha ālokita saṃyute aste sa roṣa iṣṭaiḥ sa vilāsa hāsaḥ//(indravajrā)

In whatever manner the setting sign meets Gemini, just so should the sexual intercourse be declared: / when the setting [sign] is aspected by or conjoined with a malefic planet, it is full of anger; with benefics, full of playfulness and laughter.