As per your chart, we can say that you will have a good sex drive throughout your life with your future wife. A romantic way of approach in life from your side will bring zest in to her life.
The aspect of love and sex life is good in your chart, it is up to you to decide your sexual habits, to keep your physical and mental health aspects intact, both before and after marriage.
Kumbha lagna with lagna lord and twelfth lord Saturn in the second house; seventh lord Sun is in the fifth house conjunct Venus; Mars posited in the seventh house.
Seventh lord is in the Meena Navamsha; Seventh lord of Navamsha is Mercury, exalted in Kanya Navamsha; Twelfth lord of Navamsha Mars is in the Dhanu Navamsha.