Twice in the past month - and coincidentally both at birthday parties I attended - I commented on the necessary precautions when being taken by a horse. After all, you only want to die a little death.
People asked how I knew such things. I said it was common knowledge.
If you're gonna bring up the subject, don't be aghast when someone actually has some information to share about said subject.
Disclaimer: I don't agree with or condone any kind of human-animal sexual relations.