but, human biology is what it is...its marvelous, except when its not...
penis into anus is not natural....
its a totally destructive act because it destroys the tissues, which are not made for such abuse...and when it destroys the tissues, any germ has a way into the blood stream...
and the other part of the equation is so many gay men are promiscuous, that those germs get spread....
these homos are supposed to be so smart yet they are completely blind to the dangers of homosexuality...
I’ve heard as well, that semen contains substances that suppress the immune system. That is thought to be the reason for such a high prevalence of these kinds of diseases.
I explain it as “exceeding design tolerance leading to critical failure”.