[MavKikiNYC]

Still fuzzy, Dude.

Surely you're not going to try to argue that "normal" as it pertains to sex is only about pro-creation.

Because then you'd have to account for the statistical reality that the majority of sexual exchanges do NOT result in the formation of an embryo, rendering all such heterosexual exchanges "abnormal". Actually, in that sense, actual pro-creation would be the ab-normal outcome, and I'm pretty sure that's not the contradiction you're attempting to capture.

Alternatively, you'd be left explaining how post-menopausal sex or sex where one of the partners were infertile was ab-normal (in the deviant sense).

Not to mention the common sense reality that sex is much more motivated by: 1) the biological urge to experience pleasure; or 2) the emotional urge to express love than the aforementioned conscious urge to pro-create.

Finally, you'd have to at least explore the notion that if homosexuals were evolutionary biologicial anomalies in the procreation sense, then you'd expect to see them less capable of procreating. And this, to the consternation of tut-tutting fundamentalists, is manifestly not the case.