You want it to be so because you identify as a homosexual. But wanting it to be so does not make it so. There is no comparable benefit to society in a same-sex household as there is from a heterosexual household. Lacking one gender, the relationships are imbalanced, and in that respect alone are unhealthy for any children artificially produced through the many varieties of utilitarian fornication, sperm banks, and egg donation, or even via adoption. They can categorically and qualitatively never bring to society what traditional marriage is capable of. No amount of posing as one sex or the other cuts it. No amount of denying that a mother is not a father, or that Two Mommies or Two Daddies is equivalent to a mother and a father, will change that: they are just verbal gymnastics.
Those who have indeed read & understood the Catechism appreciate the Church’s absolute stand on the uncompromisable differnces between males and females. However, as you said in the post I quoted,