Do you understand that by bringing scripture to a natural law argument you are surrendering the point on both, since the original scriptural prohibitions were based on natural law and not revelation?  Think before responding.  Asexuals in the Catholic Church have their own peculiarities that they are trying to teach as holy writ.  Now that we know that Celibacy is less a charism than a feature of sexual identity it is time for a change in how we deal with these issues.