sounds like Justinian either is an enormous homophobe or he has his own doubts about his own sexuality and tries to ban them from his thoughts through this way
.
some time ago a study showed that homosexuality in some individuals may not have been the result of their own choice but that it was caused by mutations in genes or switching on/off of certain genes. I'm sure you have your own little mutations that make you different from the guy sitting next to you. Would you like to be discriminated for your little unique aspects, caused by mutations in your genes?
Plus excluding people from marriage solely because they have a certain mutation that leads to a certain "syndrome" would exclude A LOT of people from marriage, not just homosexuals. Think people with either a family history of or suffering themselves from diabetes, asthma, sickle cell trait, who are perfectly capable of just normally functioning in society, although slighty differently. But for instance Gingers would be part of this group as well (perhaps a good idea? hmm...)
Plus if they're not hurting anyone else, why are you complaining? Gays often play an active part in society, and are less of a drag on society as a whole than some other "alternative lifestyles", for instance fat people or smokers. Have you ever heard of a fat guy who could do something (positive, not something like rolling on someone or covering multiple plane seats) better than a guy with a normal body size? I have not. Well, I know only few heterosexual people who can rival a gay's taste of clothes.
"There are practical reasons to privilege heterosexuality above homosexuality."
There are practical reasons to allow polygamy as well, if your argument is that a homosexual relation can't produce offspring. A 1 on 1 relation between men and women is definitely not the most efficient reproduction-wise. A better ratio would involve more potent men having multiple women, and the women being breeding machines who's only occupation is to pump out a baby every, let's say, 21 months. Now, I would not have any problems with such a system but obviously there are some people who do
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"wake me when they can tell inherent sexual orientation at an autopsy"
They have actually found a corrolation between certain brain deformations that formed due to beforementioned gene mutations and homosexuality, plus the mutations can be found by analyzing the genome of the homosexual and comparing it to that of a "normal" human (although every human has a certain amount of deviation from each other DNA-wise so I myself find this method to not be completely accurate).
To be honest I find your entire way of reasoning dispicable, Justinian. I don't understand why people like you are bothered by homosexuals. I myself don't have any problems with them, unless they try to make a move on me, but that would just be a problem between the individual and myself that can easily be dealt with. They don't bother me and they are an active part of society, so, unless you are a homosexual who is afraid of coming out and being rediculed and therefore hiding behind idiotic arguments, I do not see why you have such an attitude towards gay people.
Maar doodslaan deed hij niet, want tussen droom en daad,
Staan wetten in de weg en praktische bezwaren,
En ook weemoedigheid, die niemand kan verklaren,
En die des avonds komt, wanneer men slapen gaat.