Capricorn, Scorpio, Taurus, lion and Aries have the strongest sexual ability.

Boys' sexual ability depends on where Mars falls.

Generally, Mars falls in Scorpio, which is attractive and lasting.

Mars falls in Taurus, sensual.

Mars falls in Capricorn, and it has strong endurance.

Mars falls in Aries, and the sex motor is small.

Mars is in Libra and likes romantic and elegant intimate environment.

Mars falls into Aquarius, which makes it easy to be cold.

Mars falls in Virgo, with strong service and cleanliness. Make love step by step according to the regulations.

Mars in the eighth house is also better.