Jataka Tattva · by Mahadeva
Chapter 3 · Body, Nature, Health: the 1st House
प्रकीर्णतत्त्वम् : अङ्गविचारः (प्रथमविवेकः)
उच्चगे वा नीचगे शुक्रे सिंहपूर्वार्द्धे त्रिके कामी ।
Say Venus is exalted or debilitated. Or say Venus is in the first half of Leo and in the 6th, 8th or 12th house. Then the person is lustful. (It can also be read: Venus is exalted, debilitated or in the first half of Leo. In each case it is in the 6th, 8th or 12th house.)
स्वांशे शुक्रे कामी ।
Say Venus is in its own navamsha (one-ninth part of a sign). Then the person is lustful.
पापदृष्टे शुक्रे कामी ।
Say Venus is aspected by a bad planet. Then the person is lustful.
युग्मे स्वर्क्षे वा शुक्रे कामी ।
Say Venus is in an even sign, or in its own sign. Then the person is lustful.