Your options depend on your situation, to be honest. Let's face it, an autistic manchild is somewhat unlikely to be having the same options as a multimillionaire athlete. I'm sure it's possible to get dates and sex outside of relationships, after all, that's why Tinder exists.
I'm sure the cat ladies of the world have better options than the office nerd, besides, dating co-workers sounds like a very good way to get sacked. I had a guy that tried to do that at a previous job of mine but he was a creep anyway.
You can argue weight and looks all day, different strokes for different folks and all. But there are certain types that nobody wants.
Prostitution is illegal in my country though and some others, and despite the media hullabaloo about incel terrorists and beta uprisings and shit, most of them are too pussy to break the law. I don't agree with the law but that's just how it is some places.
I find the whole "testosterone is going down" talk hilarious. Probably just a marketing ploy to sell you steroids or some shit. I don't really give a shit what other men wear anyway, those boomers need to shut the fuck up and go back to ruining the world as they usually do.
If you want to sell a product just tell men that women won't have sex with them otherwise. Works every time.