You know someone isn't "pretending" because they are having relationships and love with same-love, and enjoying it. Is that not enough? What, are you going to claim they're only pretending to enjoy it? That they're only "pretending" that this same-love picture or real life person is making them horny? That they're only "pretending" to have an erection looking at it? What more do you want?
I'm not advocating the view that homoloveuality needs to be proved. I don't think Tayasaurus was either.
But the argument I was reading involved the idea that you can prove it.
And you just can't 100% without-a-doubt prove anything in the mind related to consciousness if it's not in your own mind.
You can come up with any plausible reason for those counter-arguments, no matter how unlikely they are to be true. But if there's even a slither of a chance that homoloveuality is just a ploy then it can never be 100% taken as proven.
I can easily find that having love with same-love individuals is a choice they are making in their mind at that moment in time, or that they have an ulterior motive for it. I can argue that enjoyment has no relation in an argument about love as people are biologically designed to enjoy all love regardless of circumstance (before someone counter-suggests rape victims, then I would argue that their body still recieves signals to enjoy the love. But their fear and pain overrule that and lea to a state of dislike, naturally). I could even argue on the same point that there is no such thing as enjoyment, atleast as far as other people are concerned.
Or that when people get horny at same-love individuals and stimuli it's either them thinking of something not homoloveual that excites them (I have nothing but their word to say otherwise). Or even that it's the anticipation of loveual activity which stimulates, and I can prove as above that such a thing is stimulating regardless of any loveuality.
Philosophically and scientifically you can find that there is no concrete proof for homoloveuality to exist.
But that's not the case that we believe, because the other philosophical view is that what people say or experience is almost always true and therefore worth believing.
I believe that homoloveuality exists. But I can understand why some people would adhere to a view that it doesn't.