for someone who has never had anything poked up their butt
start small, use lube and GO SLOW
for the more experienced I would say the same thing but how slow is really up to them
I’m not sure about #1. While I DO have a female friend who was initially only able to be pleased anally, in general, males do have a somewhat unique anatomy in that regard, with pleasure from stimulation of the prostrate. While I imagine females can also access pleasure from the act, I doubt it works exactly the same, mechanically speaking. I think female viewers should chime in with regard to anatomical differences.
WRT #2: Should be clean yes. Although how much effort is put into securing that depends on not only the squikyness of the inserter but also the ahem quality of the digestive powers of the insertee. If they generally have very dry poop and regular movements, not all that much hygienic effort needs be involved. OTOH if they tend to have irregular bouts of distressing trips to the bathroom, than a preshower might be more regularly warranted (yay detachable shower heads!).
#3: Depending on the couple, spit might be enough. Sometimes, the butt’s own lubrication might even be enough. Really depends on the people involved. Sometimes, no lube is enough. Someone who is supertight or has a overly sensitive area (or mentality) or hemorrhoids just won’t be helped by lube.
#5: Condom is necessary unless there’s a super trustworthy long time monogamous relationship, hopefully with mutually aware pretesting.
But in general, on dates where I thought I might happen to feel get slutty, I’ve prepared with a shower head (just in case) and lube/condom buying, but in a long term relationship, in close to ideal situations, there have been times where no preparation at all was needed. Anyway, it’s TV. Which if you believed, all women would cover their boobs with a separate bedsheet after sex.
I could have sworn I read that, due to the risk of getting illnesses from the digestive waste and the risk of tearing, all male inserters should wear a condom, whether they are experienced or not.