That's not true at all, it's almost impossible to spread std's any other way than unprotected vaginal sex, with the exception of herpes and crabs. Even aids is hard to catch, which everyone was so sure was purely a gay disease years ago.
The rectum absorbs more fluid than any other part of the body excluding venous puncture such as an I.V. with that in mind, it will absorb more stuff in cum, including the AIDS virus, than any other orifice. Hense why it was called the gay disease. Now that more women are for anal sex, those numbers are increasing. That Is also why herpes is just herpes, not separate like it used to. I.e. herpes 1 on your face as a cold sore, herpes 2 on your junk. It is because of more people doing oral sex than they used to. Now its just everywhere
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