Principle axioim, morality is to serve man in this life, not to placate God. From there we can look at what makes people happy in terms of better lives. Does following the natural predilications of Asexuals make everyone else happier? I very much doubt it. Does promiscuity make non-Aces happy? No. Do gays chose their orientation, does anyone, even Aces? No. Youcan keep going with the rest. It simply follows.